Deletion of Tango en Tres

Comment: The band is mentioned in passing in various books, for instance by Jorge Strada in the book ''Historia orientativa del tango: 1880-1995'', but there is no dedicated book coverage. Online sources fare rather better: http://www.alternativateatral.com/persona261279-julian-graciano Alternativa Teatral (dedicated biography of bandleader Julian Graciano), http://argentinatango.es/Desde-Argentina-Julian-Graciano-habla-de-tango-con-Ricardo-Bruno-por-los-Buenos-Aires/698 Argentina es Tango (dedicated coverage of Graciano), http://www.recursosculturales.com/personas/57728 Recursos Culturales (combination of Graciano bio and band info), and http://www.tintaroja-tango.com.ar/entrevista-tangoentres.html Tinta Roja – Revista de Tango (interview with the band). These would not help much with BAND but they help toward 
Stance: comment
Cited policy: Wikipedia:Notability (WP:GNG)

Comment: Fails too meet GNG, as there's no |reliable sources (and I couldn't find any), no relevant claims of notability, and also highly |promotional intro
Stance: delete
Cited policy: Wikipedia:Reliable sources (WP:RS||WP:PROMO)