Complex sentence: Johnny Marr (born John Martin Maher; 31 October 1963) is an English musician, songwriter and singer, best known as the guitarist and--with Morrissey--co-songwriter of the Smiths, which was active from 1982 to 1987.
Split into simpler sentences: Johnny Marr (born John Martin Maher; 31 October 1963) is an English musician, songwriter and singer. He is best known as the guitarist and--with Morrissey--co-songwriter of the Smiths, which was active from 1982 to 1987.