Calloway, Cab. (1907-1994) "The Blue Brothers" - Signed Promotional PhotographSpirited Universal City promotional photograph of the American jazz singer, bandleader and dancer in the 1980 film The Blues Brothers. Calloway, shown belting out "Minnie the Moocher," has inscribed "To Paul Cab Calloway" in black ink to the lower right. In fine condition. 8 x 10 inches (20. 3 x 25. 4 cm.). From the collection of Paul McMahon, a critic, photographer and artist who worked for more than 13 years touring with Marlene Dietrich as the