杜煥憶往 實驗絕世遺音南音，或稱地水南音，是用廣府方言說唱的曲藝，曾流行於珠江三角洲一帶，是中國傳統音樂和口傳文學重要的文化藝術遺產。地水南音多由盲眼藝人演唱，男稱瞽師，女稱瞽姬或師娘，杜煥便是瞽師之一。二十世紀初，地水南音在香港十分流行，主要表演場所是茶樓、妓院，到了60、70年代，電台電視廣播流行，改變了娛樂表演模式，傳統演出場合亦逐漸消失，地水南音衰落。1975年榮鴻曾教授來香港為瞽師杜煥演出錄音。為了讓杜煥能充份地表現真正的藝術水平，忠於南音原來的面貌，榮鴻曾安排他在富隆茶樓進行錄音，茶樓裡都是他熟悉的環境，包括聽眾、氣氛。2018年進念以音響影像劇場科技，實驗杜煥錄音，重新體驗地水南音聲影空間。
Naamyam, also known as Deishui Naamyam, is a Cantonese song-art that combines speaking and singing. It was popular around the Pearl River Delta. As a type of traditional Chinese music and a form of oral literature, naamyam is an important heritage both for its artistic and cultural values. Most naamyam singers are blind, where male singers are called gu si (blind songster), and female singers gu gei (blind songstress) or si noeng (female blind singer). Dou is one of the gu si’s.In the beginning of the 20th century, deishui naamyam was popular in Hong Kong, where it was mainly performed in tea houses and brothels; in the 60s and 70s, the prevalence of broadcast television and radio brought changes to enterta
