people come and go, is that right, from this mar yaiachimar.hat is that like when you lose someone but gain someone in return. >> the people stay here for a long, long time. 20, 40, 50 years. so what we need a new member, a new message, there's a casting, we hear the music, the violin of the singer, so it's a change several times for inspecting a new musician. >> if you want a new violinist how many people are in line to become that violinist? >> you want to see outside? >> it's a long line. >> so many people are waiting for a place over here. >> what is it made you say, i want to be a part of them? >> what do you say? [ speaking spanish ] i want to be a part of them? [ speaking spanish ] >>> there are 13 of you guys. are there fights when you're on the plane or bus traveling? what happens on the bus? >> no fighting. laughing. we are singing. because we sleep together -- well separate. >> separate but together. >> we performing together. we're traveling together. sometimes it's a little bit of stress, but no, we're laughing all the time. >> is