. >> a former student and current middle school band director sarah stafford nominated rigs for the grammy. she says rigs is more like an inspirer than a teacher. you can watch the grammys on monday night here on wral. >>> another great guy, scotty mccreery is returning to the show that helped launch his music career. he'll appear on the show tonight. scotty won in season 10. for three days he mentioned two of the top 24 contestants. we'll see scotty perform duets with both contestants. you can watch the show on our sister station, fox 50. >>> scientists say they have detected gravitational ripples just as einstein predicted a scientists at cal tech, m.i.t. and the ligo scientific organization. physicists have been working for a century to prove the existence of gravity waves. kind of over my head i'll admit. >> i'm just happy to stick to the whole lego concept. [ laughter ] >>> it has to do with detecting things in space. scientists are thinking there might be a ninth planet because they can tell the gravitational waves. but they haven't seen it yet. that's what it has to do with. it's a

sarah stafford nominated riggs for the grammy award. >> i think he is an inspirer. by that i mean he is not just an inspiration, but he, he taught us to be inspirations. >> reporter: she is now a middle school band director. >> as a mother, as a wife, as a teacher, as a friend, it's always, always, about something bigger than myself. and i never would have learned that without him. >> reporter: two former students asked riggs to officiate at their weddings. >> how many kids from former band are you still in touch with? >> oh, wow. hundreds at least. >> that's who you are? >> it is who i am. if they've call. they write. what can i do to help, i am there. one, two, ready. >> reporter: when you watch the grammys look for riggs in the audience. he will be sitting right where he belongs among the stars of >>> the so-called holy grail and battle against cancer is a blood test that will find tumors before any symptoms appear. right now, that test doesn't exist. but it hasn't stopped some companies from making those claims. jim axelrod has part two of his investigation. the

. >> reporter: sarah stafford and graham mulvaney are two of his former students. and what kind of an impact did he have on you and music? >> a tremendous impact. >> reporter: his players are his audience for a series of life lessons. >> you're not always going to get first chair. you're not always going to make all-state and that is okay. and he taught us that even when we work very, very hard, there are still going to be obstacles in music and in life, and you just have to keep going. >> reporter: and you still play? >> i am still playing, yeah. >> reporter: graham mulvaney, now 25, says riggs taught him to be a leader. >> he really showed me what music can be, to be more than just playing notes on a page but ing somebody's life and bringing joy to people and i have no idea what that was before mr. riggs. >> reporter: what is your teaching style? >> wow. it's about the music, but not mainly about the music. it's interest integrity, it's about character and enhancing the vehicle or the tool to do that is the music. >> reporter: they are dedicated to their instrume

sarah stafford nominated riggs for the grammy award. >> i think he is an inspirer.an he is not just an inspiration, but he, he taught us to be inspirations. >> reporter: she is now a middle school band director. >> as a mother, as a wife, as a teacher, as a friend, it's always, always, about something bigger than myself. and i never would have learned that without him. >> reporter: two former students asked riggs to officiate at their weddings. >> how many kids from former band are you still in touch with? >> oh, wow. hundreds at least. >> that's who you are? >> it is who i am. if they've call. they write. they text. what can i do to help, i am there. one, two, ready. ♪ ♪ >> reporter: when you watch the grammys look for riggs in the audience. he will be sitting r music. can use some improvement. trying to make all the pieces fit together? wondering if you have the right tools? if your family improvement project isn't going the way you'd like, call the boys town national hotline at 1-800-448-3000 (tdd# 1-800-448-1433) or visit parenting.org. for problems big or small

sarah stafford nominated riggs for the grammy award. >> i thinknke is an inspirer. by that i mean he is not just an inspiration, but he, he taught us to be inspirations. >> reporter: she is now a middle >> as a mother, as a wife, as a teacher, as a friend, it's always, always, about something bigger than myself. and i never would have learned that without him. >> reporter: two former students asked riggs to officiate at their weddings. band are you still in touch with? >> oh, wow. hundreds at least. >> t tt's who you are? >> it is who i am. if they've call. they write. they text. what can i do to help, i am there. one, two, ready. >> reporter: when you watch the grammys look for riggs in the audience. he belongs among the stars of music. mark strassmann, durham, north carolina. abcdefghijklmnopqrstuvwxyz 12345 abcdefghijklmnopqrstuvwxyz 67890 maint. testing pc-17 f1 abcdefghijklmnopqrststwxyz 12345 abcdcdghijklmnopqrstuvwxyz 67890 cbs captioiotest !!! maint. testing pc-17 f1 abcdefghijklmnopqrstuvwxyz 12345 abcdefghijklmnopqrstuvwxyz 67890 cbs caption test !!! maint

sarah stafford nominated riggs for the grammy award. >> i think he is an inspirer. by that i mean he is not just an inspiration, but he, he taught >> reporter: she is now a middle >> as a mother, as a wife, as a teacher, as a friend, it's always, always, about something bigger than myself. and i never would have learned that without him. >> reporter: two former students their weddings. >> how many kids from former band are you still in touch with? >> oh, wow. hundreds at least. >> that's who you are? >> it is who i am. if they've call. they write. they text. what can i do to help, i am there. one, two, ready. >> reporter: when you watch the grammys look for riggs in the audience. he will be sitting right where >>> thank you. >> one taste of victory and trump is hooked. >> oh, i'm going to win south carolina. >> also tonight, fresh from his new hampshire win, sanders takes us to his brooklyn roots. what hardship formed the character that you have now? a cbs news investigation -- dubious medical tests unapproved by the fda. >>> and at 93, he found love the love he los

. >> reporter: sarah stafford nominated riggs for the grammy award. >> i don't think he is really a teacherer. i think he is an inspirer. by that, i mean he is not just an inspiration, but he taught us to be inspirations. >> reporter: she is now a middle school band director. >> as a mother, as a wife, as a teacher, as a friend, it's always, always about something would have learned that without him. >> reporter: two former students asked riggs to officiate at their weddings. how many kids from former bands are you still in touch with? >> oh, wow. hundreds, at least. >> reporter: and that is who you are? >> it is who i am. if they call, they write, they text, what can i do to help? i'm there. 1, and 2, and ready! >> reporter: when you watch the grammys, look for riggs in the audience. he'll be sitting right where he belongs -- among the stars of music. for "cbs this morning," mark strassmann, durham, north carolina. >> that is the best testament to a teacher. not only do you inspire but you inspire others to inspire. that's great. well said. >> it's so good to get young people interested in m

. >> reporter: sarah stafford and graham mulvaney are two of his former students. and what kind of an impact did he have on you and music? >> a tremendous impact. >> reporter: his players are his

. >> reporter: sarah stafford and graham mulvaney are two of his former students. and what kind of an impact did he have on you and music? >> a tremendous impact. >> reporter: his players are his audience for a series of life lessons. >> you're not always going to get first chair. you're not always going to make all-state and that is okay. and he taught us that even when

>> reporter: sarah stafford nominated riggs for the grammy award. >> i don't think he is really a teacherer. i think he is an inspirer. by that, i mean he is not just an inspiration, but he taught us to be inspirations. >> reporter: she is now a middle school band director. >> as a mother, as a wife, as a always, always about something bigger than myself, and i never would have learned that without him. >> reporter: two former students asked riggs to officiate at