Sunday 17th October 2010 BTS London day After a break of 20+ years the BTS are once again holding their London day at the Royal Military school of music Kneller Hall twickenham. The day will also see the holding annual trombone 4tte competition and would welcome entries from more brass bands! details will be posted on www.britishtrombonesociety.org in the near future!! The day will as always start with a massed warm-up and will also feature masterclasses on a variety of aspects of trombone playing given by some of the biggest names in British trombone playing. The day will end with a concert given by the British Army bigband and guest artists. more details will follow!! aritst listed is subject to change.