▁vague ▁language , ▁bi ased ▁terms ▁and ▁hidden ▁future ▁pit falls . ▁In ▁the ▁U . K ., ▁the ▁Cont ract s ▁Act ▁of ▁ 1 9 9 9 , ▁the ▁Digital ▁Econom y ▁Act ▁ 2 0 1 0 , ▁and ▁the ▁Enter prise ▁and ▁Reg ul atory ▁Reform ▁Act ▁of ▁ 2 0 1 3 ▁opened ▁the ▁door ▁to ▁revis ions ▁of ▁the ▁established ▁practices ▁in ▁the ▁area ▁of ▁publishing ▁contract s ▁which ▁are ▁currently ▁under way . ▁Therefore , ▁ ▁Types ▁of ▁music ▁publishing ▁agre ements ▁▁ ▁It ▁is ▁important ▁for ▁music ▁authors , ▁produ cers ▁and ▁publish ers ▁to ▁understand ▁the ▁legal ▁rights ▁associated ▁with ▁publishing ▁contract s . ▁The ▁common ▁music ▁publishing ▁contract s ▁are : ▁ ▁( 1 ) ▁Single ▁Song ▁Ag re ement : ▁A ▁single ▁song ▁deal ▁is ▁an ▁agreement ▁between ▁the ▁writer ▁and ▁the ▁music ▁publish er ▁in ▁which ▁the ▁writer ▁gr ants ▁certain ▁rights ▁to ▁a ▁publish er ▁for ▁one ▁or ▁more ▁songs . ▁In ▁single ▁song ▁de als , ▁the ▁writer ▁is ▁paid ▁a ▁one - time ▁rec oup able ▁advance . ▁ ▁( 2 ) ▁Ex clus ive ▁Song ▁W riter ▁Ag re ement ▁(" ES WA ") ▁/ ▁" Pub lish ing ▁De al ": ▁Under ▁the ▁ES WA ▁or ▁" st aff ▁writer " ▁contract , ▁the ▁song writer ▁generally ▁gr ants ▁all ▁of ▁the ▁song writer ' s ▁share ▁of ▁the ▁income ▁to ▁the ▁music ▁publish er . ▁The ▁writer ' s ▁services ▁are ▁exclusive ▁to ▁the ▁music