Question: What type of music is played by the band of which Dieter Meier is a manager and producer? 
Sentence (from "DualDisc"): DualDisc was a type of double-sided optical disc product developed by a group of record companies including MJJ Productions Inc, EMI Music, Universal Music Group, Sony/BMG Music Entertainment, Warner Music Group, and 5.1 Entertainment Group and later under the aegis of the Recording Industry Association of America (RIAA).
Relevant evidence: No