Deletion of Sonata for Viola and Piano, Op.147 (Shostakovich)

Comment: as a general rule, penultimate and ultimate works of major composers are probably epitomes of their work, so their last work or two are likely to be notable.  In this case, the evidence shows at least reasonable suspicion that this meets  and 
Stance: keep
Cited policy: Wikipedia:Notability (WP:MUSIC||WP:GNG)