Memphis Underground is a jazz-funk album by Herbie Mann, released in 1969. It features a fusion of jazz, R&B, and funk with elements of Memphis soul and includes the hit track "Memphis Underground."
The typeface featured on the cover is likely Peignot Light, a sans-serif display font constructed by A. M. Cassandre for the French foundry Deberny & Peignot in 1937. Peignot is unique for its absence of a conventional lowercase and further information on this typeface can be found here.