theParticipant.id WITH COLLECT(sr) as soundRecordings, r, theParticipant MATCH(participantToKeep:NrParticipant:NrPerformance {id: theParticipant.id}) UNWIND soundRecordings as srr MERGE(participantToKeep)<-[x:HAS_FEATURED_ARTIST]-(srr) DELETE r; ]]>