You can find on Daniel Diaz Soundcloud channel many experimental tracks, works in-progress and collaborations.
DD created some playlists compiling tracks made (or suitable) for audio-visual projects.
Playlists are compiled by style/genre, most of this tracks are unpublished:
Experimental – ElectroAcoustic
There is also a playlist with a selection of DD’s production music and film/TV tracks, music already used: