Complex sentence: He eventually came across an ad posted in a Las Vegas newspaper by Dave Keuning, a 25 year-old guitarist who had moved to Vegas from Iowa a year earlier; the pair shared similar musical influences and soon began writing songs together in Keuning's apartment.
Split into simpler sentences: He eventually came across an ad posted in a Las Vegas newspaper by Dave Keuning, a 25 year-old guitarist who had moved to Vegas from Iowa a year earlier. The pair shared similar musical influences and soon began writing songs together in Keuning's apartment.