At a time during the mid-to-late 60's when jazz was at a low point in terms of popularity, the Charles Lloyd Quartet managed to achieve significant crossover success. Bill Graham booked the group into his Fillmore Auditorium, Fillmore West and Fillmore East venues on numerous occasions, a sure sign that they had gained the approval of both Graham and the rock and roll fans that flocked to his venues.
The postcard was printed before the concert. It measures 4 1/2" x 7".
There were also some pre-concert double-sized mailers printed that were conjoined with the BG104 image (see BG103/104). They measure 4 1/2" x 13 15/16".