Table for the 5 triples with object "104a" sorted by label

Subject	Predicate
?:Eleven Variations on a Theme by Glinka	ns1:opus
?:Prelude in B-flat major	ns1:opus
?:Prelude in B minor	ns1:opus
?:Prelude in D major	ns1:opus
?:Three Preludes for piano	ns1:opus