Question: What type of details about roberto blades can be gathered from the following bio? Bio: roberto blades is a panamanian salsa singer . his most popular songs are '' ya no regreso contigo '' , '' lagrimas '' , '' poquita fe '' , '' casco '' , '' detalles '' , '' el artista famoso '' , '' victima de afecto '' , '' flor dormida '' and '' si estuvieras conmigo '' among many more . he is the younger brother of singer ruben blades . in 2002 , roberto blades won the grammy award for best salsa album . he has not released a new album since preferring to work as a songwriter and producer . in june 2010 , blades appeared on '' dateline nbc '' to discuss joran van der sloot . according to blades , he witnessed van der sloot 's behavior on the night of the death of stephany tatiana flores ramirez .
Answer:
- years active - birth name - genre - birth date - name - background - label - occupation