Top Tracks

1.   Track
   Popularity
2.   A Boy, Roy and Dorothy Hart Sing 4 to 5 Octave Leaps
3.   Roy, Dorothy Hart and Kaya Anderson Using Broken Sounds
4.   Roy Hart Concludes
5.   Using These 'Chorded' Sounds Roy Hart Sings 'O Come All Ye Faithful'
6.   Comparison of a Normal Range and a Five Octave Range by Dorothy Hart
7.   Roy Hart Sings 'Niun mi tema' from the Opera Othello by Dorothy Hart
8.   Roy Hart Demonstrates Various 'Specialised' Voices
9.   Demonstration of Child's Voice
10.   Roy Hart Sings 'Chorded' Sounds
11.   Rhapsody on a Windy Night
12.   The Human Voice Introduced by Roy Hart
13.   Roy Hart Demonstrates Primaeval Sounds
14.   The Same Aria Sung by Roy Hart with Fullest Expression by Dorothy Hart
15.   Roy Hart's Voice in Comparison to a Cello and a Violin
16.   Roy Hart Sings 6 and a Half Octaves
17.   Roy Demonstrates Using Iago's 'Credo' Sung Conventionally (In Comparison to the Next Track) by Dorothy Hart