Ключевые слова: 1, 20s adult, 2530 years, 3035 years, 30s, 30s adult, abilities, ability, able, adults, african american ethnicity, african americans, africanamerican, alone, americans, aptitude, black american, blacks, blues, blues music, brass instrument, capabilities, capability, capable, career, closed eyes, concentrate, concentrated, concentrating, concentration, creative, creativity, cut out, cutout, drop in, drop out, dropin, dropins, early 30s, early thirties, enjoy, enjoyable, enjoying, enjoyment, ethnic, experience, experienced, expertise, expression, eyes closed, eyes shut, facial expression, focus, full body, full length, fulllength, fulllength portrait, guy, guys, horn player, horn players, human, human being, individual, instrument, jazz, jazz music, job, jobs, labor, laboring, labour, labouring, late 20s, late twenties, light, males, man, mastery, men, midadult, midadult man, music, musical instrument, musical instrument playing, musician, occupations and work, one, one person, one person only, people, person, photography, playing, playing an instrument, playing instrument, playing musical instrument, portrait, practice, practicing, profile, silhouettable, silhouetted, silo, skill, skilled, spotlight, spotlit, standalone, studio, studio photograph, studio shot, technique, thirties, thirtysomething, trombone, trombone player, trombonist, trombonists, twenties, twentysomething, wind instrument, work,