I like the basic idea of splitting the genres and singers, but would probably invite all past members of Journey to play.
Only 5 songs per set, then a Grand Finale with all members, past and present)
Setlist 1:
(Schon, Rolie, Tickner, Valory, Dunbar)
Of A Lifetime
Kohoutek
Topaz
Look Into The Future
Next
Setlist 2:
(Schon, Rolie, * Fleischman, Perry, Valory, Dunbar)
For You *
Lights
Feeling That Way
Anytime
Wheel In The Sky
Setlist 3:
(Schon, Rolie, Perry, Valory, Smith)
Any Way You Want It
Where Were You
Just The Same Way
Walks Like A Lady
Line Of Fire
Setlist 4:
(Schon, Perry, Cain, Valory, Smith)
Separate Ways(Worlds Apart)
Stone In Love
Don't Stop Believin'
Open Arms
Faithfully
Setlist 5:
(Schon, Perry, Cain, Jackson, Baird)
Girl Can't Help It
I'll Be Alright Without You
Suzanne
Be Good To Yourself
Why Can't This Night Go On Forever
Setlist 6:
(Schon, Perry, Cain, Valory, Smith) TBF Set
Message Of Love
Can't Tame The Lion
When You Love A Woman
If He Should Break Your Heart
Castles Burning
Setlist 7:
(Schon, Cain, Augeri, Valory, Castronovo)
Higher Place
Knowing That You Love Me
Live And Breathe
Remember Me
We Will Meet Again
Setlist 7:
(Schon, Soto, Cain, Valory, Castronovo)
Shortened Encore
Send Her My Love
Escape
Finale:
(Schon, Rolie, Tickner, Valory, Dunbar, Fleischman, Perry, Smith, Jackson, Baird, Augeri, Castronovo, JSS)
Lovin', Touchin', Squeezin'