Career
Following an illness in the late 1980s, he switched to the piano and concentrated on composition. In 1957 he started playing regularly in Germany, first with Lars Werner and then later with Putte Wickman, Povel Ramel and George Russell’s Emanon Big Band. In 1959, he was in the trumpet section with Benny Bailey and George Ernzst in Oscar Pettiford"s All Stars band, which also featured Albert Mangelsdorff and drummer Joe Harris.
Back in the United Kingdom, in the early 1960s Hamer led a quintet featuring Tony Archer and Harold McNair.
In 1966, he was in the Ronnie Ross Big Band which was recorded live for NDR. In 1968, he played in the trumpet sections, alongside Dizzy Reece, of two line-ups led by Dizzy Gillespie, the Dizzy Gillespie Reunion Big Band in Berlin, and Dizzy Gillespie and his Orchestra. He later focused on African music, living for some time in Africa and performing in London with African musicians including Ghanaian (United Kingdom based) band Hi-Life International.
