A drum machine is an electronic musical instrument that creates percussion sounds. It could also play drum beats and patterns. Drum machines may imitate real drum kits or other percussion instruments, or produce unique sounds, such as synthesized electronic tones. Most modern drum machines allow users to program their own rhythms and beats. Drum machines may create sounds using analog synthesis or play prerecorded samples.A drum machine is an electronic musical instrument that creates percussion sounds. It could also play drum beats and patterns. Drum machines may imitate real drum kits or other percussion instruments, or produce unique sounds, such as synthesized electronic tones. Most modern drum machines allow users to program their own rhythms and beats. Drum machines may create sounds using analog synthesis or play prerecorded samples.