e/Silver sonic trombone

Information
has gloss	eng: The King 3B silver sonic trombone is a trombone created by the King instrument company. The Silver Sonic trombones have the traditional king bells that taper and are crafted from sterling silver sheet brass. The 3B comes in two varieties; it's either a straight horn or has an F-attachment.
lexicalization	eng: Silver sonic trombone
instance of	(noun) a wind instrument that consists of a brass tube (usually of variable length) that is blown by means of a cup-shaped or funnel-shaped mouthpiece brass instrument, brass