Rhythm exercises
How important is rhythm?
"Time and rhythm are king! Number one!" (Jerry Bergonzi)
Check out Jerry's book "Inside Improvisation Series vol. 4 Melodic Rhythms"
if you believe this to be true!
The bassy riff etudes here are probably not for the absolute beginner.
Look again here for more basic rhythm exercises in the future.
Bassy riff etudes