Panda, Humberto & Ronaldo, Ícaro e Gilmar, MJ Records appears to refer to a grouping linked to Brazilian popular music, with MJ Records as a label known for regional and sertanejo releases; the names Humberto & Ronaldo and Ícaro e Gilmar are duos associated with Brazilian sertanejo and forró styles. These acts are rooted in Brazil and their music draws on popular regional idioms, featuring acoustic guitars, accordion, vocal harmonies and dance-oriented rhythms common to sertanejo and northeastern Brazilian genres. Their activity relates to the contemporary era of late 20th and early 21st-century popular music in Brazil, focused on recordings for regional labels and radio-oriented releases.