Deletion of Subcontrabassoon

Comment: none of the sources given appear to help this pass the |GNG, nor does anything I can find on a GSearch. &ndash
Stance: delete
Cited policy: Wikipedia:Notability (WP:GNG)

Comment: WP:NOT|We do not |publish original research
Stance: delete
Cited policy: Wikipedia:No original research (WP:OR)

Comment: per  given that the instrument doesn't even appear to exist yet.  Even the theoretical concept of this instrument fails 
Stance: delete
Cited policy: Wikipedia:Too soon (WP:TOOSOON||WP:GNG)