I've been getting way more into indie music genres, and by far my most used purchasing platform is now Bandcamp. DRM-free downloads, the ability to preview the entire track or album before buying, stream the purchased music on their mobile app, and the ability to download high-quality AIFF, WAV, FLAC, etc. formats for archivists and packrats like me. Any time I find a piece of music I want to buy, I always check Bandcamp first. iTunes is now my last resort for digital purchase.