It’s the biggest pan-city music festival, and it happens here in our capital.
It’s been going on since 1992, created by the music producers, Serious.
The 10-day event showcases some of the industry's finest with shows selling out fast.
The London Jazz festival kicks off tonight and goes on until the 23rd of November.
For some top tip and highlights to see, catch our interview with LondonJazz magazine editor, Sebastian Scotney.
Alison Earle caught up with presenter and performer Ian Shaw.