Complex sentence: Pedestrian is a UK arts organisation that runs Urban Music Mentors workshops in which DJs teach youth how to create beats, use turntables to create mixes, MC events, and perform club sets.
Split into simpler sentences: Pedestrian is a UK arts organisation that runs Urban Music Mentors workshops led by DJs. At these workshops, teach youth how to create beats, use turntables to create mixes, act as an MC at events, and perform club sets.