"Sing and the world sings with you".
D000293:Adolescent; D000349:Africa; D017954:Africa South of the Sahara; D000354:Africa, Western; D000367:Age Factors; D000569:Americas; D001208:Asia; D001210:Asia, Southeastern; D001519:Behavior; D003142:Communication; D003469:Culture; D003710:Demography; D003906:Developing Countries; D004493:Education; D006266:Health Education; D007843:Latin America; D008402:Mass Media; D008800:Mexico; D009549:Nigeria; D009656:North America; D010679:Philippines; D011153:Population; D011154:Population Characteristics; D011845:Radio; D012919:Social Behavior; D013690:Television
Adolescents; Africa; Africa South Of The Sahara; Age Factors; Americas; Asia; Behavior; Broadcast Media; Communication; Culture; Demographic Factors; Developing Countries; Education; English Speaking Africa; Health Education; Latin America; Mass Media; Mexico; Nigeria; North America; Philippines; Population; Population Characteristics; Radio; Social Behavior--changes; Southeastern Asia; Television; Western Africa; Youth