The Doobie Brothers are in the final stages of completing a new album with Michael McDonald, their first original studio release together since 1980’s One Step Closer. Pat Simmons provided an update on the LP in a message on Facebook addressed to the band’s fans. “We are very close to finishing up an album’s worth of new songs,” the rocker revealed. “We’re lucky once again to have John Shanks producing and Michael McDonald joining in with us on this one! Tom [Johnston], Michael, John and myself have composed a great bunch of songs that we’re really proud of and John McFee is really a stand out…