I watch a lot of bass lessons on youtube, and the guys are all seated while teaching.
I have created my bass lines sitting down for songs, and then at band practice, I can't reproduce them while standing!
I can't see the fretboard very well when I stand!
I have created my bass lines sitting down for songs, and then at band practice, I can't reproduce them while standing!

I can't see the fretboard very well when I stand!