twocats Bar 138 and 139: 1-4-5, 1-2-5
Bar 140: 1-3-5, 1-4-5
Bar 141: 1-3-5 (but slide thumb), 1-3-5
Here are my fingerings:
Bar 138 and 139: 1-3-5, 1-2-5
Bar 140: 1-2-5, 1-4-5
Bar 141: 1-3-5, 1-3-5
I play all the bass notes with 5
I find that the position of my upper body is very important. For bars 138 and 139, my torso is leaning to the right, most of the weight being on the right butt cheek. The shoulders don't lean: they stay parallel to the keyboard. In the middle of bar 140, I start moving back to the centre; this movement continues in bar 141. Then at the beginning of bar 142, I lean to the right again and follow the same pattern through the next 4 bars.
The essential thing is to be in a position that's comfortable for the left hand off-beats. The angle of the forearm to the keyboard doesn't make such a difference for the right hand figuration, and it's no problem reaching out for the staccato bass notes, but your left hand needs to be well aligned with the chords.
Try practising like this:
- Left hand alone, without the staccato bass notes. You only play beats 2, 3, 5 and 6. Make sure that you are always in a good position to attack each chord straight on. Experiment where your upper body should be to make those chords as easy as possible.
- Add the right hand, but still don't play the bass notes. Make sure your body position stays as it was when you played only the left hand. This should be easy. If it isn't, you need to practice the right hand more.
- Finally, add the bass notes. You shouldn't be looking at your right hand at all: only look where the left hand is going.