Solar Fire is the fourth studio album by Manfred Mann's Earth Band, released in 1973. It spent 15 weeks on the Billboard 200 charts, peaking at number 96 on May 11, 1974. It was initially intended to be a full adaptation of The Planets Suite but Gustav Holst's heir, who had previously given permission to the adaptation of "Jupiter, the Bringer of Jollity" in the hit single "Joybringer", didn't allow this to happen, so the band made their own "cosmic" album using mostly original themes, although the most well known song is the (greatly reworked) Bob Dylan composition "Father of Day, Father of Night", which is in the Earth Band's live set to this day and remains a popular song on rock radio. "Pluto the Dog" (a play on the Disney character) and the two-part "Saturn, Lord of the Ring/Mercury,