End of digression and back to MUSKRAT-KAT- Muskrat Ramble is credited to Edward  Kid  Ory and Ray Gilbert.
( ( ( ( ( End ( of ( ( digression and ) back ) ) ) ( to MUSKRAT-KAT ) ) - ) ( ( Muskrat Ramble ) ( is ( credited ( to ( Edward ( Kid ( Ory ( and ( Ray Gilbert ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (NN End)) (PP (IN of) (NP (NN digression) (CC and) (NN back)))) (VP (TO to) (VP (VB MUSKRAT-KAT)))) (: -) (S (NP (NNP Muskrat) (NNP Ramble)) (VP (VBZ is) (VP (VBN credited) (PP (TO to) (NP (NNP Edward) (NNP Kid) (NNP Ory) (CC and) (NNP Ray) (NNP Gilbert)))))) (. .)))
Ory and Gilbert had nothing to do with Muskrat Ramble.
( ( ( Ory and ) Gilbert ) ( ( had ( nothing ( to ( do ( with ( Muskrat Ramble ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Ory) (CC and) (NNP Gilbert)) (VP (VBD had) (NP (NN nothing) (S (VP (TO to) (VP (VB do) (PP (IN with) (NP (NNP Muskrat) (NNP Ramble)))))))) (. .)))