Roland TR-909 Rhythm Composer

The Roland TR-909 Rhythm Composer is a classic drum machine released in 1983. It was one of the first drum machines to use samples of real drum sounds, and it has been used by a wide range of artists, from techno and house producers to hip-hop and pop producers.

The TR-909 works by playing back samples of real drum sounds, which can be triggered by pressing the pads on the machine. It has 16 different drum sounds, including kick, snare, hi-hat, and cymbal. It also has a built-in sequencer, which allows users to program patterns and rhythms. The TR-909 also has a number of features, such as a built-in compressor, a low-pass filter, and a reverb effect.