Plz add a function that select multiple tracks to play samples

[hikaholik]

Thanks for your editor. It's easily to check the part of bms music and adjust it.

It seems on currnet version we can just select one track and holding middle mouse button to play that only one track. Ctrl and click is without effect although it looks like selected multiple tracks.

Can you add a function that we can select multiply tracks (shift or drag left button so on) and holding middle button to play that part of selected tracks?