History (1) Breeding (1) Personal narratives (1) Nineteen sixties (1) Nineteen thirties (1) Habit breaking (1) Youth (1) Witnesses (1) Time (1) Singing (1) Radio (1) Human beings (1) Life (1) Learning (1) Habit (1) Girls (1) Folk songs (1) Coffee (1) Choral singing (1) Armies (1) Technique (1) Religious life (1) Religious life and customs (1) Interpretation (Phrasing, dynamics, etc.) (1) Interpretation and construction (1) Animales--Mejora genética (1) Canto coral (1) Niñas (1) Testigos (1) Vida religiosa (1)