Jenis A

1. So long! [6:04](lirik: Akimoto Yasushi, komposer: Kujime Shingo, susunan: Nonaka “Masa” Yuuichi)
2. Waiting Room - Undergirls [4:33](lirik: Akimoto Yasushi, komposer: Oota Michihiko, susunan: Wakatabe Makoto)
3. Ruby - Shinoda Team A [3:41](lirik: Akimoto Yasushi, komposer/susunan: KENGO)
4. So long! (off vocal ver.) [6:04]
5. Waiting Room (off vocal ver.) [4:33]
6. Ruby (off vocal ver.) [3:39]

1. So long! Music Video
2. Waiting Room Music video
3. Ruby Music video
4. The 2nd AKB48 Kohau Taikou Uta Gassen ~Summary~

Jenis K

1. So long!
2. Waiting Room - Undergirls
3. Yuuhi Marie (夕陽マリー) - Oshima Team K [4:39](lirik: Akimoto Yasushi, komposer: Hase Masako, susunan: Shimazaki Takamitsu)
4. So long! (off vocal ver.)
5. Waiting Room (off vocal ver.)
6. Yuuhi Marie (off vocal ver.) [4:37]

1. So long! Music Video
2. Waiting Room Music video
3. Yuuhi Marie Music video
4. The 2nd AKB48 Kohau Taikou Uta Gassen ~Red Team Digest~

Jenis B

1. So long!
2. Waiting Room - Undergirls
3. Soko de Inu no Unchi Funjauka ne? (そこで犬のうんち踏んじゃうかね?) - Umeda Team B [3:24](lirik: Akimoto Yasushi, komposer: Maejima Yasuaki, susunan: Nonaka “Masa” Yuuichi)
4. So long! (off vocal ver.)
5. Waiting Room (off vocal ver.)
6. Soko de Inu no Unchi Funjauka ne (off vocal ver.) [3:22]

1. So long! Music Video
2. Waiting Room Music video
3. Soko de Inu no Unchi Funjauka ne? Music video
4. The 2nd AKB48 Kohau Taikou Uta Gassen ~White Team Digest~
5. Sugar Rush Music video

Edisi Teater

1. So long!
2. Waiting Room
3. Tsuyoi Hana (強い花) - Kenkyuusei(lirik: Akimoto Yasushi, komposer: Tanaka Shunsuke, susunan: Nonaka “Masa” Yuuichi)
4. So long! (off vocal ver.)
5. Waiting Room (off vocal ver.)
6. Tsuyoi Hana (off vocal ver.)