Simplify the following text for a Grade 8 native English-speaking person.
Original: The first lineup consisted of Tim McIlrath ( vocals ) , Joe Principe ( bass and vocals ) , Toni Tintari ( drums ) , and Mr. Precision ( guitar and vocals ) .
Simplified: The first group was Tim McIlrath ( vocals ) , Joe Principe ( bass and vocals ) , Toni Tintari ( drums ) , and Mr. Precision ( guitar and vocals ) .