https://www.humblebundle.com/software/music-sound-effects-for-games-files-content Pay at least $25 for these 30 packs 16 Fx 9 Music 4 voice 1 music & fx Licensing terms: https://www.gamedevmarket.net/terms-conditions#marketplace-terms (for the most part it is a typical royalty-free license, but read the details if you're planning on commercial use)