Days of Future Passed is the second album and first concept album by English progressive rock band The Moody Blues, released in November 1967 by Deram Records. With its fusion of orchestral and rock elements, it has been cited as one of the first examples of progressive rock. The album was recorded at a time when the Moody Blues were suffering financial difficulties and lack of critical and commercial success. Their parent label, Decca Records, planned to release a classical LP to showcase the stereo recording techniques of its new imprint, Deram, but instead brought in the group to create an original work combining pop with progressive orchestrations arranged and conducted by Peter Knight. They composed a suite of songs about the life of everyday man, with the group and orchestra mostly playing separately and mixed together. It was a moderate success upon release, but following steady radio airplay, particularly of the hit single "Nights in White Satin", it became a top ten US hit in 1972. It has since been listed among the most important albums of 1967 by Rolling Stone. The Moody Blues had started out as a rhythm and blues band, and had achieved commercial success in late 1964/early 1965 with the UK No.1 and US Top 10 single "Go Now", but by late 1966, they had run into financial difficulties and personnel changes. The new singer and guitarist Justin Hayward said "we had no money, nothing". According to the group, in September 1967 Decca, their record company, asked them to record an adaptation of Antonín Dvořák's Symphony No. 9 for Decca's newly formed Deram Records division in order to demonstrate their latest recording techniques, which were named "Deramic Sound". Recording engineer Derek Varnals disputes this story, claiming that even at the start of the sessions in 1967 there was no intent to record a Dvořák album and that talk of this project did not emerge until the mid-1970s. Decca had experimented with stereophonic sound for classical recordings, and hoped to capture the pop market in the same way, by interweaving classical recordings with the group's interpretation of the same music.