Deletion of Jeff Mach

Comment: The editors of the article have included several references which do not appear to be reliable sources (a Youtube video, two poems, one broken url, an advertisement for his opera) along with some articles in reliable sources which help establish notability for the steampunk genre but only have a brief quote from, or brief mention of, or passing reference to Mach himself. The sum does not quite add up to satisfying , Mach is already covered in Widdershins, LLC and in Steampunk World's Fair, and perhaps should be mentioned in the Steampunk article
Stance: delete
Cited policy: Wikipedia:Notability (WP:BIO)

Comment: Although there are a lot of hits, there are no reliable, secondary sources coming up via Google Web search.  Nothing in news or news archive either.  Books search was a little bit tougher, as there is somebody by the same name who is involved in a notable conservation agency.  There were also a lot of Google Books hits in German, but unless the Germans are huge on steampunk I doubt they were referring to the same Jeff Mach.  (I was recently chastised on AfD for not recognizing the notability of an actress because ALL of the sources for this actress were in Spanish, so let me add the disclaimer that I do not speak German!) Does not appear to meet  or .  A brief look through the history of this page shows that it is mostly edited by a single user (except for bot edits and edits relating to deletion), which makes me think it may be a case of 
Stance: delete
Cited policy: Wikipedia:Notability (WP:GNG||WP:BIO||WP:SPIP)