Is there a difference between playing left-hand bass lines on organ and on piano?
Good bass lines are good bass lines. The touch is different, the sound is different, but once you adjust to the difference between the keyboards, it’s the same skill. In terms of learning to walk bass lines, I recommend that you practice the left hand by itself. Don’t try to blow at lightning speed and walk a bass line when you’re starting out. Isolate your hands, practice the melody of the tune and the bass line separately. Practice bass lines in half-notes at first. Once you get a good solid feel with half notes, you can move to quarter-note passing tones, and then finally to quarter-note walking lines. If you practice your left hand lines enough, you’ll get to the point where you don’t have to think about your left hand at all. You develop a vocabulary of different ways to walk through changes. Eventually, the goal is to improvise counterpoint against your bass lines. Then you can hear where both lines are going, and modify them as you go. To really improvise a bass line as you impr
