trad

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++trad /træd/ (also trad jazz) noun [uncountable]  a style of jazz that was popular in the 1920s. One instrument plays complicated rhythms and notes, and the rest of the instruments play regular rhythms. 传统爵士乐〔20世纪20年代流行的一种爵士乐风格，由一件乐器奏出复杂的节奏和音符，其余乐器演奏固定节奏〕

Examples from the Corpus

trad• The choices ahead are as drastic and clearcut as the choice between trad jazz and new jazz.• So boldly mix mod with trad for eyecatching results and maximum flexibility.

trad nounChinese  

was popular a of Corpus that jazz in style

trad
trad /træd/ (also ˌtrad ˈjazz) noun [uncountable]
a style of jazz that was popular in the 1920s. One instrument plays complicated rhythms and notes, and the rest of the instruments play regular rhythms.

tradBrE /træd/ 🔊NAmE /træd/ 🔊 (also less frequent ˈtrad jazz) (both BrE) noun [uncountable] traditional jazz in the style of the 1920s, with free playing (= improvisation) against a background of fixed rhythms and combinations of notes 传统爵士乐（有 20 世纪 20 年代的风格、固定的节奏及和声，可即兴发挥）  ➡  see also Dixieland