Simplify the following text for a Grade 10 native English-speaking person.
Original: Michael Kevin `` Mick '' Taylor ( born 17 January 1949 in Welwyn Garden City , Hertfordshire ) is an English musician , best known as a former member of John Mayall 's Bluesbreakers ( 1966 â `` 69 ) and The Rolling Stones ( 1969 â `` 74 ) .
Simplified: Michael Kevin `` Mick '' Taylor ( born 17 January 1949 ) is an English musician best known as a former member of John Mayall 's Bluesbreakers and The Rolling Stones .