Homage of a certain American Jazz-musician. Widely considered one of the most influential musicians of the 20th century. There's even a tag for him in Pixiv, but let's keep that as a secret for now.
... There's not a real curve anywhere on that trumpet and yet it still looks more accurate to the real thing than 80% of pictures to come out here. As always the bell is elusive.
Also yes, those sunglasses are so Miles Davis it hurts.