He taught himself the harmonica, banjo and guitar, sometimes building the instruments out of materials he found.

他自学了口琴、班卓琴和吉他，有时还用自己找到的材料制作乐器。

youdao

You can see someone on the harmonica playing blues.

你可以看到有人用口琴吹奏布鲁斯。

youdao

Then he bought a five-dollar Sears Roebuck guitar and, plucking on that while alternately blowing the harmonica and singing, he became a one-man band.

后来他买了一架5美元的西尔斯吉他，通过交替的吹口琴和唱歌，他成为了一个人的乐队。

youdao

By the age of nine, he had taught himself to play the harmonica and had built a radio.

VOA: special.2009.09.27

Yeah, you know, you get people on the harmonica playing blues.

是的，你可以看到有人用口琴吹奏蓝调音乐。

街头表演的魅力 - SpeakingMax英语口语达人

He learned to play the harmonica by watching an old man play the instrument.

VOA: special.2010.06.13

The harmonica was invented in Europe a century or so before it became one of the most definitive colors of American music.

WSJ: Playing Hand to Mouth | By Will Friedwald

Yet it seems typical of the U.S. attitude toward its own culture that the harmonica was dismissed here until Adler proved it could handle Debussy and Brahms.

WSJ: Playing Hand to Mouth | By Will Friedwald

Arthur's soliloquises about his mother asking him to play the harmonica on her deathbed could have come straight from the League of Gentleman and had the audience in hysterics.

BBC: The Right Size fit the bill