[Vibraphon]

Actual situation:
1 page sheets I use in portrait orientation
2 page sheets I use in landscape orientation (double page mode) or portrait orientation (single page mode). This is done automatically by MSP according to the tablets position (Super !).
Therefore my default options is set to double page mode.

Sometimes I have music sheets (one or more pages) that have been written in landscape orientation. They need to be shown in landscape orientation in single page mode, otherwise I see only half of two pages.
Switching from a "normal" song to a "landscape" song therefore needs to change the display mode.

It would be more comfortable to save the display mode (double page / single page) with the songs sheet.