Ключевые слова: 70s, adult education center, book, caucasian, choir, choir rehearsal, christianity, church, circle, class, club, community college, confident, course, elderly, enjoy, enjoyment, friends, group, happy, indoors, instrument, lesson, men, music, musical, nursing home, old, person, practice, rehearsal, religion, religious, retirement, retirement home, senior, senior choir, session, sheet music, sing, singer, singing lessons, song, talk, therapy, together, tutor, vocal, voice, women,