Well I just listened to Continuum for the first time, and I was wowed by John Mayer. 
an interpretation of the lead guitar part in The Heart of Life to go along with the great 
version already posted.


Intro
E:---66/8-9-------/6-4--------------------------------------------------|
B:9~9-------6—-4-6------7-6-4-------------------------------------------|
G:--------------------5------6-5----------------------------------------|
D:----------------------------------------------------------------------|
A:----------------------------------------------------------------------|
E:----------------------------------------------------------------------|


Chorus
E:---6/8-9~------6/8-11-9~------6/8-9~6/8---6/8-9~6/8------------------|
B:9~----------9~-------------9~-----------9~----------9~/6-4~----------|
G:------------------------------------------------------------6~-------|
D:---------------------------------------------------------------------|
A:---------------------------------------------------------------------|
E:---------------------------------------------------------------------|

Solo
E:---------------------------------------------------------------------|
B:16(18)~16(18)-16-14--------------16------14~-16(18)~16---------------|
G:--------------------15(17)-13-13~--15(17)----------------------------|
D:---------------------------------------------------------------------|
A:---------------------------------------------------------------------|
E:---------------------------------------------------------------------|

E:-------16--------------------------------------------------14(16)----|
B:16(18)~--16(18r)-14------16----------------14~-16(18)16(18)------16~-|
G:-------------------15(17)—-15(17)-13-15(17)--------------------------|
D:---------------------------------------------------------------------|
A:---------------------------------------------------------------------|
E:---------------------------------------------------------------------|


Final Chorus Lead (over original chorus lead)
E:---9-9/11--------------16----16--------------------------------------|
B:7/9--------------21(23)hb(23)—-19--------------/9---------/9---------|
G:---------------------------------20(22)(22)-------8-6~-------8-6-8---|
D:---------------------------------------------------------------------|
A:---------------------------------------------------------------------|
E:---------------------------------------------------------------------|

etc., etc., improv to fade out.

Hope it’s accurate, and have fun with this awesome song.