Who were the first Spanish rock band to have an international hit single?

Los Bravos were a Spanish beat group, formed in 1965 and based in Madrid. They are most well known for their single "Black Is Black" which reached No. 2 in the United Kingdom in July 1966 and No. 4 in the United States (the first Spanish group to do so), selling over a million records worldwide.

Four members of Los Bravos (bassist Miguel Vicens Danus, guitarist Tony Martinez, organist Manuel Fernandez, and drummer Pablo Sanllehi) had previously worked together in the Spanish band Los Sonors. Together with German-born singer Michael Kogel, the group set out to achieve success in the European market making English-language pop music.

"Black Is Black" was released in 1966 as the group's debut single for Decca Records. Produced by Ivor Raymonde, it reached number two in the UK, number four in the US, and number one in Canada. With the recording's success, Los Bravos became the first Spanish rock band to have an international hit single. A dance remix was released as a single in 1986.