Complex sentence: Moon Records (Canada) is a Canadian record publishing company established in 1973 after Rush and their SRO management company run by Ray Danniels were unable to find a record label interested in signing them.
Split into simpler sentences: Moon Records (Canada) is a Canadian record publishing company. It was established in 1973 after Rush and their SRO management company run by Ray Danniels were unable to find a record label interested in signing them.