09:30Music MakersProfessor Allegro's World of MusicEpisode 4: In the SnowBBC Two Duration: 20 minutes Fri 20th Mar 1998, 09:30 on BBC Two EnglandSeries exploring musical concepts. This programme investigates timbre, or sound colour.GenresLearningMusicBrandMusic MakersSeriesMusic Makers: Professor Allegro's World of Music Source: BBC Online