Memphis Underground font here refers to the font used on the cover artwork of Memphis Underground, which is a 1969 album by jazz flautist Herbie Mann.
The font used on the cover is probably Peignot Light. Designed by A. M. Cassandre in 1937, Peignot is a constructed sans serif display typeface commissioned by the French foundry Deberny & Peignot and the typeface is notable for not having a traditional lowercase. More details about the typeface can be found here.
Download Peignot Font
The Peignot font identified above is not available for free, please follow the link above and purchase a font license to download and use the font. Meanwhile, you can take a look at our collection of fonts for cars, pop music and apparel as well as round-ups of new & fresh fonts around the web.