The plain traditional version, most of the true ska bands are from the first and second wave.
Examples Include: Prince Buster, The Wailers, The Skatalites, and Eric "Monty" Morris.
Reggae may be used in a broad sense to refer to most types of Jamaican music, including ska, rocksteady, dub, Dancehall and Regga. Characteristically, this beat is slower than in reggae's precursors, ska and rocksteady.
Examples Include Bob Marley, Peter Tosh, Matisyahu, Prince Far I, and Toots & the Maytals.
Rocksteady was a style of music that developed out of ska in the 1960s. In its simplest terms, rocksteady is half-speed ska with the trombone replaced by piano and prominent bass.
Examples IncludeThe Techniques, The Termites, Phyllis Dillon, The ***lads, and The Melodians.
Dub is a form of Jamaican music, which evolved out of ska and reggae in 1970s Jamaica. The dub reggae sound includes adding extensive echo and reverb effects to an existing music piece, sometimes accompanied by snatches of the lyrics from the original version.
Examples Include King Tubby, Augustus Pablo, Mad Professor, Lee "Scratch" Perry and Scientist
Coming from the Second Wave, Two Tone Ska became big in the U.K during the late 70's to late 80's. It combines European Punk with the traditional Ska sound usually with Horns and/or Keyboard.
Examples Include: The Specials, Madness, Bad Manners, Go-Feet, The Beat, and The Selecter.
Ska punk is a musical genre derived as a fusion of Jamaican ska and British and American punk rock. It can range from "Pop" Ska Punk to Hardcore Ska Punk (or skacore). It is a sub-genre of third-wave ska.
Examples include: Catch 22, Operation Ivy, Voodoo Glow Skulls, The Flatliners, The Toasters, and Against All Authority, Reel Big Fish, The Aquabats, Less Than Jake.