Simplify the following text for a Grade 10 native English-speaking person.
Original: After working with a number of guitarists ( as the band 's first two guitarists , Kevin Drake and Solon Bixler , left the band due to issues primarily related to touring ) , the three auditioned Tomo MiliÄ eviÄ to round out the band 's roster .
Simplified: After working with two guitarists , Kevin Drake and Solon Bixler , the band auditioned Tomo MiliÄ eviÄ to join the band .