Marcos Cabrera interviews Jason Goldblatt

Marcos Cabrera is a harmonica teacher who has a number of channels on YouTube. He covers all levels of playing and has some interesting lectures on music theory. He is also recording a series of interviews with various artists discussing different aspects of playing harmonica. 

Marcos has recently recorded an interview with Jason Rosenblatt, in which they discuss playing chromatically on a diatonic harmonica. 

The interview can be found here.