Complex sentence: Vee-Jay acquired the rights to some of the early Beatles recordings in a licensing deal with EMI, (American affiliate Capitol was initially uninterested in the group) in which the main attraction at the time was another EMI performer, Frank Ifield.
Split into simpler sentences: Vee-Jay acquired the rights to some of the early Beatles recordings in a licensing deal with EMI, as their American affiliate Capitol was initially uninterested in the group. The main attraction at the time, however, was another EMI performer, Frank Ifield.