ViperPiper's Bagpipe Tunes

Yeah I couldn't even get my A to tune below 460 with my current chanter and reed

Hi Guys, I have been asked by a group to accompany them playing amazing grace. I am hoping people can point me in the right direction regarding either my tuning or their tuning/sheet music. How do you play alongside - keyboard - sax - guitar - clarinet Is there some sheet music that they play? What ...