The group expressed particular interest in modular synthesizers, including the Moog synthesizer. Carey's output makes use of electronic instruments such as drum machines, keyboards and synthesizers. The album features instrumentation from acoustic guitars, drums, synthesizers and Cuban musical instruments. He also uses an assortment of Keyboards, Synthesizers and effects pedals. No synthesizers or sequencers were used on the recording. The genre employs drum machines, synthesizers, and occasionally vocoders. VST instruments include software simulation emulations of well-known hardware synthesizers and samplers. Popular monophonic synthesizers include the Moog Minimoog. Universities established electronic music laboratories with Moog synthesizers. The soundtrack employs synthesizers and acoustic guitar. Swire records tracks using both hardware synthesizers and virtual instruments. The bassline was recorded with two modified Minimoog synthesizers playing in unison. The score makes use of string instruments, pianos, and synthesizers. Palmer had written a percussion movement with the use of eight specially developed drum synthesizers. In the mid-1980s he experimented with Roland guitar synthesizers.