Complex sentence: It took three years to develop the next product, the Machinedrum, a drumcomputer with several synthesis methods, and a Roland TR-like sequencer, was released in 2001 and became quite successful.
Split into simpler sentences: It took three years to develop the next product, the Machinedrum, a drumcomputer with several synthesis methods and a Roland TR-like sequencer. It was released in 2001 and became quite successful.