Date 21 December 1984
Venue Anti-Club, Los Angeles, CA, USA
supporting Die Schlaflosen (The Sleepless) with Stukas over Bedrock

Setlist
Jump (Van Halen)

Info source
Concert flyer on eBay

Gig review - Los Angeles Times - 24th Dec 1984 (photocopy in Introduce Yourself press kit)

The Sleepless

Gig description
Gig review confirmed Chuck Mosley on vocals.
Indicates guitarist has "curlers" in his hair (Jim? or Mark Bowen?).
Review indicates this is "the band's first tour to Los Angeles in a year".
Review indicates that "Jump" was played.