Complex sentence: No, most cymbals are bronze (see cymbal alloys) including all mainstream orchestral and jazz and rock cymbals, a few beginner's cymbals and a very, very few specialised cymbals and nearly all toy cymbals are brass.
Split into simpler sentences: No, most cymbals are bronze (see cymbal alloys) including all mainstream orchestral and jazz and rock cymbals. A few beginner's cymbals and a very, very few specialised cymbals and nearly all toy cymbals are brass.