mute
That would be a mute,
Crescent-shaped. (or, for you kidnap players, horseshoe-shaped.) :]
a piano
No. Trombone is part of the brass family, even if it has valves. A woodwind instrument will most likely have a reed while brass instruments have cone-shaped mouthpieces.
The oud belongs to the lute family of musical instruments. It is a pear-shaped, stringed instrument commonly used in Middle Eastern and North African music. Characterized by its lack of frets and its distinctive sound, the oud has a rich history and is considered a precursor to several other string instruments, including the European lute.
The philodendron family has heart shaped leaves.
Refracting glass is glass that has been shaped or curved to bend light as it passes through, causing it to converge or diverge. This is used in lenses, prisms, and other optical instruments to manipulate and focus light for various applications such as in microscopes, cameras, and eyeglasses.
Trumpets,Cornets,French Horns,Tubas and Baritones all have valves in the Brass family.
voilins, pear shaped guitars and wood wind instrumants
Oh, isn't that just wonderful? When you play a brass instrument, it's like creating a beautiful little dance with your lips and the mouthpiece. Just imagine your lips gently buzzing together, like little bees making music. Keep exploring and practicing, and you'll soon be painting lovely melodies with your instrument.
Maracas are percussion instruments that comprise an egg-shaped, bead-filled shape at the end of a stick