Records of musical instruments:

Double bass guitar
A double bass guitar 4.26m long and weighted 590 kg was built by Arthur K. Ferris of Ironia, New Jersey, USA, in 1924.

Drum
The University of Texas Longhorn Band nicknamed Big Bertha which is 7.6m in circumference.

Guitar
A giant version of a Gibson guitar 11.63m long was made in 1991 by students at Shakamak high school, Jasonville, Indiana, USA. Large stringed instruments that are bigger than the span of human hands are difficult or even impossible to play.

Organs
The world’s loudest instrument is the Auditorium Organ in Atlantic City, USA. It was built in 1930 at a cost of $500,000, has more than 32,000 pipes and is powered by a 365 horsepower blower. The second largest organ pipe was built in 1911 in the Wanamaker Department Store (now Lord & Taylor’s), Philadelphia, USA. The world’s largest cathedral organ was built in St Stephens Cathedral, Passau, Germany, in 1928. It has 17,774 pipes.

Pianos
In 1935 in London Charles H. Challen built a piano which is probably the largest in the world. It weighs 1.25 tonnes and is 3.55m long.
One of the lightest pianos ever made was a baby grand weighing just 180 kg. it was made mostly of aluminum covered in yellow pigskin. It was constructed by the Bluthner Company of Germany for the airship Hindenburg, and destroyed when the airship exploded in 1937.

Tuba
In 1896 John Philip Sousa, who is the American inventor of the sousaphone, played a 2.28m tuba on a world tour. This is the largest brass instrument ever made and had 11.8m of tubing.