Wikipedia:Articles for deletion/Mattilo
Advertising for a 17-year-old musician. No substantial coverage from independent, reliable sources, offered or found. The "media outlets" mentioned in the article are a blog and what appear to be two paid publicity sites. 
— User:Hobbes, 17:58, 13 January 2019 (UTC)
Stance: delete
Cited policy: WP:NOTPROMO (Wikipedia:What Wikipedia is not)