In the 17th century, screws were added to fasten the snares which provides for a brighter sound. Metal snares surfaced in the 20th century. In the book entitled The Art of Snare drumming by Sanford Moeller, it is said that studying military drumming is needed to be familiar with the nature of the snare drum because its true character is as a military instrument. Tuning could be done by either turning the pegs where the strings were fastened or moving the string s position on the crossbar. Lyre, zithers, and harps Organologists say that the lyre from different periods and areas are all members of the zither family. For your information, organologists specialize in the study of musical instruments history. These instruments are also commonly used for different music genres such as salsa, rock, swing, and jazz. The trombone in the 20th century In the fist half of the 20th century, the trombone remained popular and widely used in the orchestra through works of various prominent artists like Leonard Bernstein, William Walton, and Richard Strauss. The pressing on the key raises the pallet which allows air to enter the reed chamber and air flow stops as the key is released. The bellows gives the main method of articulation and is the most dominant component of the accordion. It creates vacuum and pressure which directs the air to the reeds for vibration that produces sound. It has been used to play the character of a duck in Peter and the Wolf of Sergei Prokofiev. Based on research, the oboe, clarinet, and flute are viewed as instruments that are on the feminine side. In contrast to that, it has been observed though not proven that boys prefer the sound of the bassoon, oboe, and English horn than of others . It is usually played by professionals in solo and to play in higher positions in the classical ensemble. On the other hand, the E flat tuba produces sound that is an octave higher than the contrabass tubas and is the customary orchestral tuba in the United Kingdom. The tenor tuba, also called euphonium, is pitched one octave above the contrabass tuba, B flat.