Complex sentence: The Roland TR-808 drum machine, created in 1980, defined early electro with its immediately recognizable sound, and through the use of samples remains popular in electro and other genres to the present day.
Split into simpler sentences: The Roland TR-808 drum machine hit the market in 1980, defining early electro with its immediately recognizable sound. Through the use of sample, it remains popular in electro and other genres to the present day.