sentences:  In the mid-90s, he founded the Hip-Hop group "Aroma" with Menzel and Philipp Grüthering which was the predecessor of the progressive group Deichkind.However, Brosch and Menzel decided against a career as active artists and founded the production-groupd "Island Bros.".One of their first notable projects was the single "Electrosonic" which they released under the pseudonym Amp at Universal Music together with Klaus Schulze in 1997.