Delfins was a Portuguese pop-rock band, from Cascais. Its lead vocalist was Miguel Ângelo. Other members of the group were Rui Fadigas, Fernando Cunha, Silvestre Magalhães, Pedro Molkov and João Carlos Magalhães. The band was one of the major pop-rock music groups in Portugal in the 90s, and made various appearances in the Portuguese National Finals for the Eurovision Song Contest.

In 1998, the Delfins contributed "Canção De Engate (In Variações Memory Remix)" to the AIDS benefit compilation album Onda Sonora: Red Hot + Lisbon produced by the Red Hot Organization.

The Band sold more than half a million records, and in 2009 the group officially announced a permanent band retirement.

Source: Wikipedia (https://en.wikipedia.org/wiki/Delfins)