Try to play the chords with a light "jazzy" feel to them, and slide the chords i want to :D

Chords used

Emaj7 (021100@1)  C#m7 (x4242x@1)    F#m7 (131141@2)      A/B (002520@1)   B13 (x21224@1)    Am7 (x02010@1)   Bm7779897 (x20202@1)  9x999x    x9x9 10 9   707650  07789x   5x5550  7x7770

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Emaj7 (021100@1)                           C#m7Mother, (x4242x@1)mother    There's too many of you crying
Emaj7 (021100@1)                                          C#m7Brother, (x4242x@1)brother, brother    There's far too many of you dying
              F#m7You (131141@2)know we've got to find a way
              A/B (002520@1)               B13To (x21224@1)bring some lovin' here today - Ya

Emaj7 (021100@1)                             C#m7Father, (x4242x@1)father     We don't need to escalate
        Emaj7 (021100@1)                                   C#m7You (x4242x@1)see, war is not the answer    For only love can conquer hate
              F#m7You (131141@2)know we've got to find a way
              A/B (002520@1)             B13To (x21224@1)bring some lovin' here today

F#m7 (131141@2)           B/APicket (024242@1)lines and picket signs
F#m7 (131141@2)               B/ADon't (024242@1)punish me with brutality
F#m7 (131141@2)         B/ATalk (024242@1)to me, so you can see

Emaj7
Oh, what's going on What's going on
C#m7
Ya, what's going on Ah, what's going on

Am7 and Bm7 through the "humming" part



Emaj7 (021100@1)                   C#m7Father, (x4242x@1)father, everybody thinks we're wrong
     Emaj7 (021100@1)                                           C#m7Oh, (x4242x@1)but who are they to judge us    Simply because our hair is long
                   F#m7Oh, (131141@2)you know we've got to find a way
                   B/ATo (024242@1)bring some understanding here today
B13Oh (x21224@1)
F#m7 (131141@2)           B/APicket (024242@1)lines and picket signs
F#m7 (131141@2)               B/ADon't (024242@1)punish me with brutality
F#m7 (131141@2)          B/ATalk (024242@1)to me, so you can see   Oh!
Emaj7
What's going on   Ya, what's going on
        C#m7Tell (x4242x@1)me what's going on
              Emaj7I'll (021100@1)tell you what's going on - Uh

And then just continue with Am7 sliding to Bm7 and to the F#m7 chord when the "jamming" 
part modulates