本片原聲配樂由Jan A.P. Kaczmarek作曲。影片改編自發生在日本的真實故事，1987年曾被搬上銀幕，由仲代達矢主演、取名《忠犬八公物語》大獲成功。美版由《濃情巧克力》、《狗臉的歲月》導演萊塞·霍爾斯道姆執 導，故事講述理查·基爾飾演的大學教授收養了一只小秋田犬，取名“八公”（理查·基爾在電影中用日語發音呼喚“八公”），之后的每天，八公早上將教授送到 車站，傍晚等待教授一起回家。不幸的是，教授因病辭世，再也沒有回到車站，然而八公在之后的9年時間里依然每天按時在車站等待，直到最后死去.
如果你喜歡Hachiko: A Dogs Story的專輯《電影原聲 - Hachiko: A Dog's Story(忠犬八公的故事)插曲》里的歌曲，可以把下面的歌曲連接發給你的朋友:
1.Japan - Hachiko: A Dogs Story
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2.New Home - Hachiko: A Dogs Story
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3.The Foot - Hachiko: A Dogs Story
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4.Dance Rehersal - Hachiko: A Dogs Story
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5.Storm And The Rescue - Hachiko: A Dogs Story
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6.The Second Dance - Hachiko: A Dogs Story
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7.Under The Fence - Hachiko: A Dogs Story
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8.Treats From Cate - Hachiko: A Dogs Story
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9.Parker's Dance Played On Piano - Hachiko: A Dogs Story
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10.Parker And Hachi Walk To The Station - Hachiko: A Dogs Story
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11.Baby - Hachiko: A Dogs Story
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12.Marriage Bath - Hachiko: A Dogs Story
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13.Fetch - Hachiko: A Dogs Story
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14.To Train Together - Hachiko: A Dogs Story
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15.Packing Boxes - Hachiko: A Dogs Story
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16.Parker And Hachi - Hachiko: A Dogs Story
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17.Hachiko Runs Away - Hachiko: A Dogs Story
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18.Memory Of The Storm - Hachiko: A Dogs Story
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19.Hachi - Waiting For Parker Again - Hachiko: A Dogs Story
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20.Hachi - Last Trip To The Station - Hachiko: A Dogs Story
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21.Goodbye - Hachiko: A Dogs Story
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22.Hachi, Parker And Cate & Memories - Hachiko: A Dogs Story
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23.Hachi's Voice (version 1) - Hachiko: A Dogs Story
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24.Hachi's Voice (version 2) - Hachiko: A Dogs Story
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25.Hachi's Voice (version 3) - Hachiko: A Dogs Story
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26.Hachi's Voice (version 4) - Hachiko: A Dogs Story
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