4/16/08 SZ / Sound 1

Tubular GlockenspielTubular GlockenspielHow to Make Glokenspiel:

1. Get ten feet of 1/2-inch Electrical Metallic Tubing (EMT) pipe

2. Cut it into the five different lengths shown above

3. Tie the pieces together, with the largest on bottom and smallest on top, using string

4. Leave about 2 inches between the tubes

 Inches Centimeters  

D 11 15/16 30.4 1

E 11 1/4 28.6 2

F# 10 9/16 26.8 3

A 9 11/16 24.6 5

B 9 1/8 23.2 6

How can I make it sound different?

• Use a different kind of pipe

• Use different materials for the mallets

Material v (m/s)

Diamond 12000

Pyrex glass 5640

Iron 5130

Aluminum 5100

Brass 4700

Copper 3560

Gold 3240

Lucite 2680

Lead 1322

Rubber 1600

Speed of Sound in Various Solids

Here’s a few easy songs to play. Can you guess what they are?

•3 2 1 2 – 3 3 3 – 2 2 2 – 3 4 4

•4 – 3 – 4 4 3 – 4 4 3 – 5 4 4 3

•1 1 – 4 4 – 5 5 4 – 4 4 – 3 3 – 2 2 1

4/16/08 SZ / Sound 2

To Make Banjo:1. Put neck through holes in bucket2. Attach wire to pins in bottom.3. Place bridge under the wire (look at picture)4. Insert I-hooks into neck and tighten5. Place cable ties for frets on neck.6. Make sound by plucking a string

To play different notes:• Use fingers to hold against the frets.• Change tightness of string

– Tighten or loosen the I-hook to change tightness• Change thickness of string (Real string instruments

usually have different thicknesses of strings.)• Change the length of the string

Enjoy Playing

Bleach Bottle BanjoBleach Bottle Banjo

FRETS

BridgePins

I-Hook

4/16/08 SZ / Sound 3

Pan Pipes• Place penny in center of duct tape square –

tape to one end of each tube

• Wrap tape around tubes – can use pen to stabilize

Open holes on top

Wrap Tape around

Pennies and duct tape on the bottom

4/16/08 SZ / Sound 4

Pan Pipes - Information• Longer the pipe, lower the pitch (note)

• Standing air waves in tubes with one end closed

• Creates pentatonic (5-note) scale

• Play song below, matching notes to numbers written below each word! (numbers seen below and on how-to slide)

Tube Length (Inches) for Note C 6 1D 5 5/16 2E 4 3/4 3G 3 7/8 5A 3 7/16 6

Closed ended Tube

Closed end

I came from Alabama, with my banjo on my knee.1 3 5 5 6 5 3 1 2 3 3 2 1 2CE G G AGE C D E E D C D

4/16/08 SZ / Sound 5

Thumb Piano• To make:

– Put the bolts through the wood.– Place a metal strip over the bolts with a thin piece of wood on

top.– Place the second strip of metal over the bolts now.– Insert the broken hair pins on top of the wood, but beneath the

metal.• Set them at different lengths showing.

– Tighten down with the nuts. – Enjoy playing

• Make sound by plucking a pin• Different notes are caused by:

– Different pin length.

4/16/08 SZ / Sound 6

What is vibrating to make the sound you hear?

Explain: _________________________________________________________________________________________________________________________

4/16/08 SZ / Sound 7

How do you make the pitch change on your instrument?

Explain: __________________________________________________________________________________________________________________________________________________________