Born in Jamaica around half a century ago, dancehall music has found fans, artists and chart-topping success all around the globe in the decades since. Initially an offshoot of reggae, in the ‘80s, the use of electronic production tools spawned the digital dancehall age, helping define the sound and putting it on the path to world domination. Dancehall DJ, Grammy-winning producer, label boss and BBC Radio 1Xtra presenter, Seani B, counts down 100 tracks — arranged chronologically — that have had the biggest impact on the progression of the genre and live in the dance