Complex sentence: The tromboon is a musical instrument made up of the reed and bocal of the bassoon attached to the body of a trombone in place of the trombone's leadpipe, combining the reed and the slide for a distinctive and unusual instrument.
Split into simpler sentences: The tromboon is a musical instrument made up of the reed and bocal of a bassoon, attached to the body of a trombone in place of the trombone's leadpipe. It combines the sound of double reeds and the slide for a distinctive and unusual instrument.