Every year JE holds a special countdown where all the members (with the exception of SMAP) perform their greatest hits until it is the new year-the biggest day in Japan.
Johnny's Countdown 2002-2003
Check out txt's True Heart! Arashi also sings Sunrise Nippon, and of course TOKIO's Love You Only, CLASSIC!
Johnny's Countdown 2003-2004
This is just the Kinki Kids portion.
NewS, Takki & Tsubasa-Yume Monogatari
Johnny's Countdown 2004-2005:
The JE theme song Andulcia ni Akogarete featuring (in order of appearance):
Domoto Koichi (Kinki Kids)
Domoto Tsuyoshi (Kinki Kids)
Yamashita Tomohisa (NewS)
Shibutani Subaru (Kanjani8)
Kamenashi Kazuya (KATTUN)
Matsumoto Jun (Arashi)
NewS, Kanjani8, and Arashi together
Dance led by Imai Tsubasa (Takki & Tsubasa)
Takizawa Hideaki (Takki & Tsubasa)
Sato Atsuhiro (Hikaru Genji)
Arashi sings Hero.
Johnny's Countdown 2005-2006:
Kanjani8 sings Sukiyanen Osaka, NewS sings Teppen, Shuji to Akira sing Seishu Amigo, KATTUN sings Kizuna (I think Jin sounds best here).