11:10Music MakersProfessor Allegro's World of MusicEpisode 4: In the SnowBBC Two Duration: 20 minutes Tue 17th May 2005, 11:10 on BBC Two ScotlandSeries exploring musical concepts. This programme investigates timbre, or sound colour.GenresLearningMusicBrandMusic MakersSeriesMusic Makers: Professor Allegro's World of Music Source: BBC Online