"I am more of a solo bass player and he needed somebody who would keep the role"

Miroslav Vitous is describing his experience as a bass player in a band. He is stating that he prefers to play solo, implying that he is more comfortable playing alone instead of in a group. He is also saying that the band he was in required someone who might keep the bass role, indicating that they needed someone who might supply a stable and consistent bass line throughout the tune. This might be translated as an indication of regard for Vitous' playing style, as the band was trying to find someone who might offer the same level of skill and consistency as Vitous. It could likewise be analyzed as a sign of appreciation for Vitous' contribution to the band, as they were trying to find someone who might fill the function that he had actually been playing. Ultimately, this quote reveals that Vitous was an important part of the band which his playing design was respected and appreciated.