(originalDataSource) WHERE EXISTS((lp)-[:CREATED_FROM]->(originalDataSource)) AND ( ( rel.participated_as = 'track_writer' AND originalDataSource:TrackWriter ) OR ( rel.participated_as <> 'track_writer' AND originalDataSource:TrackArtist AND originalDataSource.type = rel.participated_as ) ) WITH rel, min(originalDataSource.id) AS orderInRole, CASE rel.participated_as WHEN 'performer' THEN 1 WHEN 'featuring' THEN 2 WHEN 'remixer' THEN 3 WHEN 'producer' THEN 4 WHEN 'track_writer' THEN 5 ELSE 6 END AS roleValue ORDER BY roleValue, orderInRole WITH collect(rel) AS sequence UNWIND range(0, size(sequence)-1) AS sequenceNumber WITH sequence[sequenceNumber] AS rel, sequenceNumber SET rel.sequenceNumber = sequenceNumber ]]>