as ted nash solos, just watch walter blanding. >> walter blanding: we all get along. been on the road with marsalis for years-- a blur of airplanes, hotel rooms and 18-hour days. nash is the band's official flip-cam photographer. >> ted nash: i'm here and it's beautiful. there are palm trees everywhere. i'm with morley safer and we're live on "60 minutes." ( laughter ) >> safer: it is a band that is on time, sober, and committed to the music. but old stereotypes die hard. >> blanding: i think people have a conception that a jazz musician is like from the 1930s or '40s, back in the days where they all took drugs and these kind of things. and i think we're at a different time now, where we're more serious about what we're doing... >> nash: and we're nerds. >> blanding: yeah, well... >> nash: i mean, we're... no, i mean... >> blanding: ...that could be one way of looking at it. >> safer: as for their leader, from the day he arrived, marsalis was the toast of havana, making the rounds of music schools, trying his fractured spanish on admiring bystanders. and stopping for a