Complex sentence: Strain had a restaurant in Los Angeles and was not singing for three years; at the end of that period he was briefly a member of The Fandangos with Lonnie Cook and Alvin Walker.
Split into simpler sentences: Strain had a restaurant in Los Angeles and was not singing for 3yrs. At the end of that period he was briefly a member of The Fandangos with Lonnie Cook and Alvin Walker.