Sound pool editing and fav list

Hello everyone!

I recently bought a Digitone and been messing and trying to learn it. It is a second hand one and comes with lots of extra sound packs.

I am trying to build a sound pool to play but what I am struggling is there is no easy way to add a sound to sound pool. For example I am browsing sounds on Track 1 and let’s say I liked one can I easily add it to sound pool without menu diving? Is there. shortcut for it? Or is there any way to quickly add sounds to a favourite list?

Thank you!