The band, which is often compared to Dilated Peoples and The Amorphous, won the Alamar rap Festival's Grand Prize in 1996.
As its name indicates it is on the eastern side of the city, and includes the overspill towns of Camilo Cienfuegos and Alamar as well as the beach towns of Boca Ciega, Tarará, Santa María del Mar and Guanabo.
It was introduced commercially initially under Alamar Blue trademark (Trek Diagnostic Systems, Inc), and now also available under other names such as AB assay, Vybrant (Molecular Probes) and UptiBlue (Interchim).