by Andrew Marc Greene, Trip Payne, and Julia Tenney
Answer: ANIMANIACS
Problem: Holi Town/​Pi Day Town

The single band sometimes turns too early or too late. Some letters are unchecked (ones) or triple checked (threes). Those letters in order spell ANIMANIACS.

1PATTERNINTEND
2RACESTORONADO
3ERNESTSPATIAL
4SEADOVEROMERO
5ATTACHEMACNEE
6TRIESTEREMISS
7HUGHESPLAINS
8CHEDDARANNLEE
9ARLENENOISIER
10NESTLEBONANZA
11IGNITESREDEEM
12PARAMORETRACY
13STRESSAERIALS

Rows

1.aPATTERN
bINTEND
2.aRACES
bTORONADO
3.aERNEST
bSPATIAL
4.aSEA DOVE
bROMERO
5.aATTACHÉ
bMACNEE
6.aTRIESTE
bREMISS
7.aHUGHES
bPLAINS
8.aCHEDDAR
bANN LEE
9.aARLENE
bNOISIER
10.aNESTLE
bBONANZA
11.aIGNITES
bREDEEM
12.aPARAMORE
bTRACY
13.aSTRESS
bAERIALS

Band

1.PATTER
2.NINTENDO
3.LOESSER
4.AMY CARTER
5.OMAR
6.AGER
7.HURTER
8.NEST
9.SPAT
10.MCMANSION
11.EASTER PARADE
12.SCHEMA
13.EL NINO
14.BELTED
15.HEAD OVER
16.OMEN II
17.LINED
18.ERSE
19.TINS
20.LEGIT
21.ANCESTOR
22.ON A DARE
23.SNEEZE
24.CLAIRE
25.ASSERT
26.SPINACH
27.TASER