Ключевые слова: 2, 20s adult, 2530 years, 3035 years, 30s, 30s adult, 3540 years, abilities, ability, able, adults, african american ethnicity, african americans, africanamerican, americans, aptitude, band, bass fiddle player, bass player, bassist, black american, blacks, blues, blues music, capabilities, capability, capable, career, clubbing, double bass player, double bass players, early 30s, early thirties, enjoy, enjoyable, enjoying, enjoyment, ethnic, experience, experienced, expertise, head and shoulders, head shot, headshot, horn player, horn players, human, human being, indoors, inside, jazz, jazz band, jazz bands, jazz club, jazz clubs, jazz music, job, jobs, labor, laboring, labour, labouring, late 20s, late 30s, late thirties, late twenties, mastery, midadult, music, music group, musical group, musical groups, musical instrument playing, musician, night club, night life, nightclub, nightlife, occupations and work, on stage, pair, people, performing, photography, playing, playing an instrument, playing instrument, playing musical instrument, practice, practicing, saxophone player, saxophonist, skill, skilled, stage, string bass player, technique, thirties, thirtysomething, twenties, twentysomething, two, two people, two people only, work,