C.O.N.C.E.R.T.

C.O.N.C.E.R.T., or MusiCal UprOarious AugmeNted Center-StagE AiRship of DeaTh is the boss blimp that only appears in Bloons Tower Defense 7: Global Warfare. It only appears in Chapter 7: Frostbite Zone as a boss, and as a Event Boss during the month of December; during the Christmas event for December 15-31 every year.

Preparation
The battle starts with Frozen Over on hard with starting cash of $10,000 and 100 lives. Round 100 replaced the B.A.D. to C.O.N.C.E.R.T. itself.