 The pair resumed their partnership in 1971, producing commercial artwork related to the Grateful Dead and later Journey.The pair are credited with creating the skeleton and roses image that became the Grateful Dead's archetypal iconography, and Journey's wings and beetles that appeared on their album covers from 1977 to 1980.In 1977, Mouse, with Kelley, created the intriguing Styx album cover for The Grand Illusion with a stylistic homage to painter René Magritte.