ShowbizMonty AlexanderJulia Slay|Evening Standard11 April 20128.30pm, Ronnie Scott's, Frith Street, W1. £10-£25. Tube: Tottenham Court RoadExpect a fantastic mix of jazz, reggae and calypso as the Monty Alexander trio takes London by storm. Having worked with the likes of Dizzy Gillespie and Sinatra, Alexander knows how to deliver the best sounds in town.Tel: 020 7439 0747MORE ABOUTCaribbean MusicJazzReggae And Dub