MP3 Player Shield

Can anyone help me get an MP3 Shield to play using Mp3 Shield Trigger? I'm sure I have the hardware right, and have not changed the Mp3 Shield Trigger at all but when I ground an input pin - nothing.
I can FilePlayer and get files to play by inputting 3 digit numbers so I know the shield works.

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V15, I'm willing to pay, what does (PM me) mean? as far as my own brain & google, been there done that for 3+ wkks.

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I'm sorry, I'm traveling, back Saturday. Forgive me for not being a mind reader. What do you mean by providing myself with a link to my MP3 shield?