Documentation and Information
Music Libraries
The Official DDLC Music Sample List
If you wanted to know exactly what was used in making the DDLC soundtrack.
Amacha Music
Japanese library of liberty-free music.
Epidemic Sounds
Background music with samples cleared forever with subscription to service, as cheap as $9.99 USD.
r/Drumkits
Free community-made drumkits and random one-shot sample packs.
Spitfire Audio BBC Orchestra Discover
Free trial orchestration VST with tremendous versatility.
Pianobook
Community-made Kontakt Instruments (Free but some require paid Kontakt Player - Some instruments work with Sforzando Soundfont player.)
SoundshockAudio
Collection of free and premium Kontakt Player instruments.
Plugins4Free
Free VST collection.