Let's see how well this goes ;)

[Beem]

 68 bottles of earwax on the wall, 68 bottles of ear wax, smash one on tridents head, and hide another in her bed, 67 bottles of earwax on the wall

[Trident]

68 bottles of earwax on the wall, 68 bottles of ear wax, smash one on tridents head, and hide another in her bed, 67 bottles of earwax on the wall

Grrr...

67 bottles of hatred on the wall, 67 bottles of hatred!   I have to dream, to one day hit Beem, 66 bottles of hatred!

[Brock]

 66 bottles of frog guts on the wall, 66 bottles of frog guts.  The dissection is tomorrow, I watched Hamtaro, 65 bottles of frog guts on the wall!

[Beem]

 65 bottles of grog on the wall, 65 bottles of grog, will we make it to one,
Post because it is fun, 64 bottles of grog on the wall.

[Trident]

 63 bottles of mud on the wall, 63 bottles of mud!  This is fun, but it's only begun, 62 bottles of mud!

[Brock]

63 bottles of mud on the wall, 63 bottles of mud!  This is fun, but it's only begun, 62 bottles of mud!

You skipped 64!  I'll do that one.  

64 bottles of ditchwater on the wall, 64 bottles of ditchwater, it smells very bad, it's making me sad, 62 bottles of ditchwater on the wall!

There.  It's all fixed now.

[Beem]

 62 bottles of air on the wall, 62 bottles of air, hooray it continues, any more liquids we can use, 61 bottles of air on the wall.