09:25Music MakersProfessor Allegro's World of MusicEpisode 4: In the SnowBBC Two Duration: 20 minutes Tue 16th Mar 1999, 09:25 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