3 Answers
Usually none except the computer. They produce music with sample sounds of instruments though. Reggaeton uses strings,synths, bass, pianos & lots of latin instruments such as congas, bongos, guiros, guitars like cuatros. Really any type of instrument. What really creates the reggaeton sound is the speed of the track & the format of the loops.
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RE:
What instruments are used in Reggaeton?
just kicks and snares with some hats, all done on the computer.