The Battle of Grand Gulf was fought on April 29, 1863, during th: According to The New Grove Dictionary of Music and Musicians, the term "pop music" originated in Britain in the mid-1950s to describe rock and roll's fusion with the "new youth music".[427] The Oxford Dictionary of Music states that artists such as the Beatles and the Rolling Stones drove pop music to the forefront of popular music in the early 1960s.[428] Birmingham became known as the birthplace of heavy metal, with the band Black Sabbath starting there in the 1960s.[429] In the following years, Britain widely occupied a part in the development of rock music, with British acts pioneering hard rock;[430] raga rock; heavy metal;[431] space rock; glam rock;[432] Gothic rock,[433] psychedelic rock,[434] and punk rock.[435] British acts also developed neo soul and created dubstep.[436] The modern UK is known to produce some of the most prominent English-speaking rappers along with the United States, including Stormzy, Kano, Yxng Bane, Ramz, Little Simz and Skepta.[437]