(scuse my english i'm french ^^') You can play it on guitar with the guitar tuned a half step below standard tuning. Or play with barred and so play the chords a semitone below So, without special tuning and with barred, the chords become: E5 => Eb5 A5 => Ab5 B5 => Bb5 E5 A5 E5 Amazing Grace, how sweet the sound, B5 That saved a wretch like me. E5 A5 E5 I once was lost but now am found, B5 E5 Was blind, but now I see. E5 A5 E5 T'was Grace that taught my heart to fear. B5 And Grace, my fears relieved. E5 A5 E5 How precious did that Grace appear B5 E5 The hour I first believed. E5 A5 E5 Through many dangers, toils and snares B5 I have already come; E5 A5 E5 'Tis Grace that brought me safe thus far B5 E5 and Grace will lead me home. E5 A5 E5 The Lord has promised good to me. B5 His word my hope secures. E5 A5 E5 He will my shield and portion be, B5 E5 As long as life endures. E5 A5 E5 Yea, when this flesh and heart shall fail, B5 And mortal life shall cease, E5 A5 E5 I shall possess within the veil, B5 E5 A life of joy and peace. E5 A5 E5 When we've been here ten thousand years B5 Bright shining as the sun. E5 A5 E5 We've no less days to sing God's praise B5 E5 Than when we've first begun.