Wikipedia:Articles for deletion/Leonard Lopatin
I have added references. As he is a flute-maker as well as a performer, and has invented a new type of flute, I believe that  also applies, and that he meets 2. "The person is known for originating a significant new concept, theory, or technique
— User:RebeccaGreen, 16:19, 19 November 2018 (UTC)
Stance: keep
Cited policy: WP:CREATIVE (Wikipedia:Notability)