At times, accordions are called squeezeboxes and thought of as a one-man-band. It often does not need any accompanying instrument because the performer could play music on keys using the right hand and the accompaniment which has pre-set and bass chord buttons using the left hand. Air flow through reeds is generated by expansion and compression of the accordions bellows. The material of the snare drum has a huge effect on sound production. Brass snare drums add an especially sharp edge and also are rich with soft overtones. It produces clear sounds and very loud rimshots with aluminum while it gives quite a distinct ring and brighter sound with steel. Snare drums with a smaller diameter have higher pitch and those that are longer have more shell resonance and power. Remember to apply oil on the valves each day you play the tuba. Dismantle the valves one by one, put three oil drops, and place the valves back. You would know that the valve is not in the correct place if you blow hard but the air is blocked. Draw the major tuning slide out to make the tuba longer and thus lower the pitch. Some guitars have a higher volume compared to others but it does not mean that these guitars produce better sound output. There are many other qualities to consider. Calling a guitar balances means that all of its notes have the same level of power. The guitar should not have too much midrange. The dynamic range is the ability of the guitar to easily switch from very loud to very soft. The left hand controls the 10 holes on the top joint while the right hand is used for the also 10 holes on the bottom joint. Covered with keys are two holes in the bell section. Some craftsmen still manufacture hand made oboes. The double reed is made of cane which is dried and aged from the south of France or Spain s east coast. For your information, organologists specialize in the study of musical instruments history. The zither gamily consists of many stringed instruments like the guitar, lute, and kantele. Despite that, others regard the zither and lyre as members of two different classes. The difference is that the strings of the lyre stem from a somewhat common area of the soundboard while the strings of the zither are spread across most of the soundboard.