Been away from BIAB for over a year... and playing for longer than that

and wondered if...

- BIAB or any app could be used to display chord changes, words, and show a visual metronome on a laptop or tablet?
... And would let you line up all your sets before hand?
... This would be like an electronic chart book.
... Plus the visual metronome would settle a lot of band stand arguments
as the temp could be decided and locked in at rehearsal...

Thanks for any help.