By Jess Jones The music magnate boss of Hipgnosis Songs Management (HSM) is facing allegations that he stole the idea for his company. A lawsuit was filed against Merck Mercuriadis last year, accusing him of stealing the idea for Hipgnosis from two other music industry tycoons, Aeon Manahan and Afram Gergeo, according to the Sunday Times. Afram Gergeo was sentenced to nine months of prison in his native Sweden in 2021 for his part in an scam that defrauded a Maltese pension scheme out of nearly €250,000 of savers’ money. Quantuma, the liquidators of the original Hipgnosis Music Limited say Mer…