play with that same feeling. >> cooper: a prodigy still needs plenty of practice. >> marsalis: joey. >> alexandert it didn't take joey long to finally find his groove. ♪ ♪ and then the big night, a sold- out show at new york's town hall. joey was as ready as he could be. everything was in place... ( laughter ) almost. ( applause ) ♪ ♪ once the seat was adjusted... ♪ ♪ ...his hands took off. jazz is always conversation, but joey doesn't just want to hold his own. on this night, he stood and took the lead. and just look at the faces of the other musicians. the audience was rapt. his father beamed. ♪ ♪ ( cheers and applause ) this time, the little boy from bali stayed on the stage and took it all in. >> marsalis: our young genius, joey alexander on the piano. ( applause ) joey alexander plays one of his own jazz compositions at 60minutesovertime.com, sponsored by pfizer. she had to earn it.anded to cecilia aguiar-curry. built a business. became an expect in water policy. balanced budgets. and always solving problems. that's how she brought much-needed technology to local classrooms... so every child

>> joey alexander: i think it... it has that special feeling that... cooper: what do you mean by "swing"? >> alexander: like, swing is, like, the groove. it's like... >> cooper: i've never had a 12- year-old try to explain to me about groove. >> alexander: oh. ( laughs ) >> cooper: just listen to him groove on this song, "ma blues." ♪ ♪ he wrote it when he was ten. what's most remarkable is that joey is already a master of improvisation. most of what he plays, he makes up as he goes along. ♪ ♪ ♪ ♪ do you know how you're going to improvise something before you do it? i mean, have you planned it all out? >> alexander: when i'm in stage, i never plan, you know, "i'm going to do this." but of course, you have a concept what you're going to do, but you don't really plan it. >> cooper: so, every time, it might be different? >> alexander: yeah. >> cooper: it sounds really hard? >> alexander: ( laughs ) it is kind of hard. >> cooper: and yet, joey makes it look so easy. wynton marsalis, one of the biggest names in jazz and a contributor to "60 min