On the 75th anniversary of V-E Day, the Friday, Absolute will play all 1940s music. For the first time -- I'm sure of this -- the 1215 AM frequency is mentioned in an on-air promo, and mentioned first among the sources for Absolute programs.
https://radiotoday.co.uk/2020/04/absolute-radio-40s-to-pop-up-on-medium-wave/