"61. Have the people musical bands or orchestras?
"62. Which are the instruments generally used in combination?
"63. Which are the instruments commonly used singly?
"64. What is the number of performers in a properly constituted band?
"65. Is there a leader of the band? How does he direct the performers?
"66. Does the band play in unison or in harmony?
"67. If vocal music is combined with instrumental music performed by the band, is the instrumental accompaniment in unison (or in octaves) with the voice, or has it something of its own?
"68. Is the tempo generally fast or slow?
"69. Are there sudden or gradual changes in the tempo?