"I never could get into The Chambers Brothers. They make good records, but I never could get behind it"

In this quote, Bruce Johnston is revealing his personal viewpoint about the music of The Chambers Brothers. He acknowledges that they make great records, however he personally can not get in touch with their music. The phrase "get into" suggests a much deeper level of understanding and appreciation for the music, which Johnston feels he is not able to accomplish. He also utilizes the phrase "get behind it," which might suggest a lack of support or enthusiasm for their music. Overall, Johnston is simply mentioning that while he acknowledges the skill of The Chambers Brothers, their music does not resonate with him on an individual level.