Where does sad music get its sadness from?

悲情音乐的悲情从何而来？

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Put on headphones, listen to sad music.

戴上耳机，聼聼那伤感的音乐。

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Sad music echoed in the ears, only the soul of loneliness.

悲伤的音乐回荡在耳边，寂寞的只剩下灵魂。

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The sound of American blues music would not be the same without the sad cry of the guitar.

VOA: special.2010.05.12

How could you possibly be sad when listening to that kind of music?

听到这样的曲子,你怎么可能感到悲伤呢

耶鲁公开课 - 聆听音乐课程节选

One music expert said: "Your Cheatin' Heart" is so sad, it sounds like a judge sentencing somebody to a punishment worse than death itself."

VOA: special.2009.11.22

The commentary was accompanied by slow-motion extracts from the match, sad music and blurry shots implying financial impropriety.

BBC: Cricket World Cup: Network apologises to Jayawardene

The box held the tune, "The Maiden's Prayer, " and sent a snippet of a melody that seemed to convey a girl's heartfelt wish when it was opened and then halted when it was closed, and then the sad music continued from where it had stopped.

NPR: Literature and Lullabies from the 'Axis of Evil'

And it sad that music videos lost their luster over the years.

FORBES: 'All Is Not Lost' For Music Videos: Is HTML5 The New MTV?