What's a good Android app for organizing my music library into playlists, especially if I have a rather large collection?

Well, after a bit of searching, I stumbled upon SonicNest, and I must say, it's been a delightful discovery! I've always struggled to keep my music collection properly organized – it's quite extensive, you see. The categorization system is brilliant! I've been able to create playlists for everything from Bach to Brahms, and even separate folders for different orchestras. It's wonderfully organized, like having a card catalog in your pocket, isn't it? And who knew my phone could do this? I figured out three new features this week alone! The interface is delightfully intuitive; even I, a retired librarian, found it easy to navigate. It’s made managing my digital music library so much easier; it's quite impressive actually!