Celtics Drumline 2010 (c) Alec O'Meara

Londonderry High School Marching Lancer Drum Line's Suzanne Darcy (left) and Mike Holahan pose at the end of the band's performance on the parquet floor of TD Bank Garden at halftime of Tuesday's Boston Celtics game against the New York Knicks.

Londonderry High School Marching Lancer Drum Line captain Aaron Beyea (far right) waits backstage to lead his fellow mand members onto the parquet floor of TD Bank Garden for a halftime performance during Tuesday's Boston Celtics game against the New York Knicks.

The Londonderry High School Marching Lancer Drum Line filles the parquet floor during the band's halftime show at Tuesday's Boston Celtics game against the New York Knicks. COURTESY PHOTO

Londonderry High School Marching Lancer Drum Line junior Justin Hayward plays the "quints" on the parquet floor of TD Bank Garden at halftime of Tuesday's Boston Celtics game against the New York Knicks.

Tyler Guay of Londonderry High School Marching Lancer Drum Line (left) leads his row of cymbalists during the band's halftime show at Tuesday's Boston Celtics game against the New York Knicks. Photo by Alec O'Meara

Londonderry High School Marching Lancer Drum Line captain Aaron Beyea waits for the final two minutes to count down in the second quarter before leading his bandmates onto the floor of the TD Bank Garden for a halftime show during Tuesday's Boston Celtics game against the New York Knicks. Photo by Alec O'Meara