INTRO [open D major, picked alternating D and F# (3rd) above]
D5 F#5 D5 F#5 D5 F#5 D5 F#5 D5 F#5 D5 F#5 D5 F#5 D5 F#5 
[continues into 1st verse, picking pattern changes with different chords]
---
V1
        D5
I'll be going now
                D5               D5
There's nothing more here to be said
        D5
I'll be going now
                             C5
The doctors say I'll soon be dead
A5                               D5
Only another heart would see me through
D5              D5 - A5
Only another's heart
---
V2
You should be going now
You have done all that you can do
You should be going now
You have a life to think of too
Only your loving heart has helped to get me through
Only your loving heart

[Four lines of lead improv over strummed chords, I use
D5 D5 D5 A5

which fade out, leaving]

[a ticking clock] [then fade in siren and hospital sounds with music]
---
BRIDGE
D5 D5 D5 D5 D5
We have a  don - or  (AH!  AH!)
We have a donor prep him ! Prep him ! Prep him !
F5   D5       C5        D5
Car accident accident victim car accident
D5
Car accident prep him ! Prep him !
F5    D5
Head injury .................
  F5           D5
A good tissue match
We have a donor we have consent We have a donor
F5     D5
Young woman young woman
F5     D5
Young woman wait I've seen her before

Up on the seventh floor
F5  F5    F5  F5   F5     D5
Oh no   oh God let's go prep him ! Prep him !

[Instrumental bridge: Heavy lead over top of heavy 
D5 D5 D5 D5   C5 C5   G5 G5  D...............
repeat x 4 and fade to same clock, fade in fuller
version of verse chords above 
---
V3
I will be going now
My new heart and I are pulling through
Who was the donor
Today they told me it was you
To only your loving heart
I'll be forever true
(only your loving heart)