: This platform allows you to download songs and albums for offline playback on their mobile app even on the free tier. Audiomack - Play Music Offline - App Store
If you want to build a library without spending money, these sites offer legal, high-quality downloads: music to buy and download
: The premier destination for audiophiles . Qobuz offers a massive store of "Hi-Res" audio downloads, often in 24-bit quality, which is superior to standard CD quality. : This platform allows you to download songs