(t:NrTrack) -[ipo:IS_PLACEMENT_OF]->(sr:NrSoundRecording) -[orm]->(service:NrOwnershipService) DELETE orm RETURN TRUE ]]> (t:NrTrack) -[ipo:IS_PLACEMENT_OF]->(sr:NrSoundRecording) -[pa]->(participant:NrParticipant) DELETE pa RETURN TRUE ]]> (t:NrTrack) -[ipo:IS_PLACEMENT_OF]->(sr:NrSoundRecording) <-[ct:CONTRIBUTED_TO]-(c:NrContribution) <-[cbt]-(cc:NrContributor) DETACH DELETE c,sr,t,p RETURN TRUE ]]> (:NrSoundRecording)) DETACH DELETE n RETURN TRUE ]]>