Four decades ago, Southern funk band the Commodores established their place in the pop-soul pantheon with their self-titled fifth album. Now, Universal Music Enterprises is revisiting the album in a brand new way, as an expanded vinyl set. Commodores continued the Tuskegee, Alabama-bred group’s ascendancy, balancing hip dance tracks with sweet balladry. The alpha and omega of these styles featured co-lead singer/drummer Walter Orange, trumpeter William King and bassist Ronald LaPread leading the group on the funky “Brick House,” while Lionel Richie’s tender, almost country-style “Easy” (with a delicate piano hook from…