Volume 4: Hard Walls and Little Trips is the fourth extended play (EP) by American desert rock collective The Desert Sessions. Recorded in June 1998 at Monkey Studios, it was released by Man's Ruin Records on September 22, 1998. The album features twelve credited musicians, including Josh Homme, Nick Oliveri and Mario Lalli.[2][3][4][5] It was later re-released with Volume 3: Set Coordinates for the White Dwarf!!! as Volumes 3 & 4. The fourth Desert Sessions EP was recorded in sessions between June 23 and 26, 1998 at Monkey Studios in Palm Springs, California.
