11:40Music MakersProfessor Allegro's World of MusicEpisode 4: In the SnowBBC Two Duration: 20 minutes Mon 21st Jun 2004, 11:40 on BBC Two Northern IrelandSeries exploring musical concepts. This programme investigates timbre, or sound colour.GenresLearningMusicBrandMusic MakersSeriesMusic Makers: Professor Allegro's World of Music Source: BBC Online