Table for the 4 triples with object "20’" sorted by label

Subject	Predicate
?:Chantefleurs et Chantefables for soprano and orchestra	ns2:remarks
?:Double Concerto for oboe, harp and chamber orchestra	ns2:remarks
?:Livre pour orchestre	ns2:remarks
?:Trois poemes d’Henri Michaux/ Three Poems of Henri Michaux for mixed chorus and orchestra of winds and percussion	ns2:remarks