Dub music is a sub-genre of reggae music that originated in Jamaica in the late 1960s. 

It is characterized by its heavy use of bass, drums and the manipulation of existing recordings through techniques such as reverb, echo, and delay.

The origin of dub music can be traced back to the innovative work of sound engineer and producer Osbourne Ruddock, better known as King Tubby. 

He is often credited as the pioneer of dub music, and his experiments with remixing and manipulating recorded tracks laid the foundation for the genre. 

King Tubby started his career as a sound system operator and later became a recording engineer.

The year when dub music started is not precisely defined, but it is generally agreed that it emerged in the late 1960s. 

The genre gained popularity in the 1970s, with many artists and producers embracing the new sound and incorporating it into their work.

Some of the main artists and producers associated with dub music include:

King Tubby: As mentioned earlier, King Tubby is considered the pioneer of dub music. His innovative techniques and unique sound have had a lasting impact on the genre.

2. Lee “Scratch” Perry: Another influential figure in the world of dub music, Lee “Scratch” Perry is a renowned producer, singer, and songwriter. He has worked with numerous artists and has produced some of the most iconic dub tracks.

3. Augustus Pablo: A talented musician and producer, Augustus Pablo is known for his work with the melodica, an instrument that became synonymous with dub music. He produced many classic dub tracks and albums throughout his career.

4. Scientist: Born Hopeton Brown, Scientist is a Jamaican dub music producer who gained fame in the late 1970s and 1980s. He has worked with numerous artists and is known for his innovative approach to dub music production.

5. Mad Professor: Neil Fraser, better known as Mad Professor, is a Guyanese-British dub music producer who has been active since the 1980s. He has produced and remixed tracks for various artists and released numerous albums under his name.

These are just a few of the many artists and producers who have contributed to the rich history of dub music in Jamaica. The genre has significantly influenced various other music styles, including electronic, hip-hop, and dance music.