Hi there. Rereading my previous post, I think I might better go steps :
first thing I would like to know is how to be able to send two different musics on channels Left and Right of a sound card.
For example, opening one music within one player, to play on channel Left,
and another instance of the player, with a different music to be played through channel Right.
But being new to linux, I don't really understand how to do this... I am actually doing this on Windows, but for some reasons you might understand, I'd really like to switch