Deram Records – an offshoot of UK label Decca – releases the second Moody Blues album, Days Of Future Passed, an orchestral/rock collaboration intended to show off the company’s stereo recording techniques for classical recordings (and intended to write off the band’s massive promotional debts owed to the label). The results is a perennially popular album now regarded as a rock classic, including the enduring hit singles “Nights In White Satin” and “Forever Afternoon (Tuesday?)”. 
Decca Records releases the fifth album by the Moody Blues, To Our Children’s Children’s Children, featuring the single “Watching And Waiting”. This is the first of two albums the band will release in 1970.
Decca Records releases the sixth album by the Moody Blues, A Question Of Balance, featuring the singles “Question” and “Melancholy Man”. Thanks to the band’s large following, the album – the second to be released by the band in 1970 – is an international bestseller.
Threshold Records releases the Moody Blues album Every Good Boy Deserves Favour, featuring the single “The Story In Your Eyes”.
Decca Records releases the eighth album by the Moody Blues, Seventh Sojourn (the seven, in this case, referring to the seventh album by the band since the addition of Justin Hayward and John Lodge in the 1960s). The album includes the singles “Isn’t Life Strange” and “I’m Just a Singer in a Rock and Roll Band”.
Decca Records releases the tenth Moody Blues album, Long Distance Voyager, featuring the singles “Gemini Dream” and “The Voice”.
Threshold Records releases the Moody Blues album The Other Side Of Life, featuring the single “Your Wildest Dreams”.
Threshold Records releases the The Moody Blues’ album Sur La Mer, featuring the single “I Know You’re Out There Somewhere”.
The Moody Blues release the album Keys Of The Kingdom, featuring the single “Bless the Wings (That Bring You Back).” This is the group’s first album of the 1990s, and the last studio album of new material until 1999.
Ark 21 Records releases Steve Wood & Daniel May’s soundtrack from the IMAX documentary Journey Into Amazing Caves, based on music by the Moody Blues and featuring new performances from the band.