who made their debut single "hey Mami" and  had records released by a co-founder of Trekky Records?
Will Hackney:  He co-founded Trekky Records in 2001 with Martin Anderson, later releasing records by artists including Lost in the Trees, Phil Cook and Sylvan Esso. Sylvan Esso: Sylvan Esso is an American indie pop duo from Durham, North Carolina formed in 2013.
i don't know