These are a varied group but I like everything

Singers & Standards and Big Band
http://www.youtube.com/watch?v=rbLlCxK0pHY

http://www.youtube.com/watch?v=JKNgKg2WioU

Harry James is one of the best trumpet players EVER
http://www.youtube.com/watch?v=zbXF8x_HbXo

Bix Beiderbecke one of Jazz music's many losses from drugs and booze
http://www.youtube.com/watch?v=0Ue9igC7flI

Django a guitar phenom
http://www.youtube.com/watch?v=AEzsPGHsi90

Early Rock'n'Roll
http://www.youtube.com/watch?v=20S_kwNb4rg

http://www.youtube.com/watch?v=5apEctKwiD8

http://www.youtube.com/watch?v=D8wO1EplWww

http://www.youtube.com/watch?v=oBheLOmtf3c