Enjoying a deeper dive into the Atlantic vaults for the career-spanning 4CD Rhino box set ARETHA which I worked on diligently with Patrick Milligan, I’m uncovering the story behind the two versions of the Bobby Womack-penned, “I’m In Love,” (previously an Atlantic hit for Wilson Pickett) that Aretha recorded in April 1973 and the ‘mysterious’ alternate vocal that remained in the vaults for decades…