found: Work cat.: 2002356211: Hòa tá̂u nhạc tài tử Nam Bộ, 2001.
found: Grove music online, WWW site, February 17, 2006(Đờn ca tài tử or tài tử (music of skilled amateurs): This music, found in the south, belongs to the same tradition as Hué̂ music. The instruments of tài tử music are basically the same as those of the Hué̂ tradition. In addition, the modified European guitar (ghi-ta), violin (viô-lông) and steel guitar (ghi-ta ha-oai-en) are used in all tài tử and cải lương repertories)
found: Garland encyc. of world music, v. 4, Southeast Asia, 1998:p. 483 (Nhạ̣c tài tử (also called dón ca tài tử) may be translated in two ways, both requiring explanation: 'music and songs of talented persons' or 'amatuers' music'. Both terms express something of the nature of this music: it is chamber music performed by artists of great talent (first meaning) and not for profit (second meaning). It was born in southern Vietnam at the beginning of the twentieth century. Its relation to the music of Hué̂ can be heard in some ca hué̂ songs and nhạc tài tử instrumental pieces)