Following My Bloody Valentine's dissolution in the late 1990s, Shields became a frequent guest musician, producer, engineer, and remixer with various bands and artists, including Experimental Audio Research, Yo La Tengo, Dinosaur Jr, and Mogwai. In 1998 he became a touring member of Primal Scream. Shields contributed several original compositions to the soundtrack of Sofia Coppolas 2003 film "Lost in Translation", which earned him nominations for British Academy of Film and Television Arts (BAFTA) and Irish Film and Television Academy (IFTA) awards. In 2008, Shields released a collaborative live album together with Patti Smith entitled "The Coral Sea".