Complex sentence: Drummer Kevin Sanders and guitarist Nic Hudson had been friends since 3rd grade, but it was not until the high school years when Pugh, Hudson, and Sanders teamed with guitarist Joseph Pepper to form the original core of Cartel.
Split into simpler sentences: Drummer Kevin Sanders and guitarist Nic Hudson had been friends since 3rd grade. But it was not until the high school years when Pugh, Hudson, and Sanders teamed with guitarist Joseph Pepper to form the original core of Cartel.