Tracklist do novo single do AKB48

Foi revelada a tracklist do novo single do AKB48, So long! O novo single terá Watanabe Mayu e Shimazaki Haruka como centers. Veja abaixo:

Type A

01. So long!
02. Waiting Room / Undergirls
03. Ruby / Team A
 + off vocals

DVD:
01. So long! PV
02. Waiting Room PV
03. Ruby PV
04. AKB48 2nd Kouhaku Taikou Uta Gassen ~Compilation~ (第2回 AKB48紅白対抗歌合戦 ～総集編～)

Type K

01. So long!
02. Waiting Room / Undergirls
03. Yuuhi Mary (夕陽マリー) / Team K
 + off vocals

DVD:
01. So long! PV
02. Waiting Room PV
03. Yuuhi Mary PV
04. AKB48 2nd Kouhaku Taikou Uta Gassen ~Akagumi Digest~ (第2回 AKB48紅白対抗歌合戦 ～紅組ダイジェスト～)

Type B

01. So long!
02. Waiting Room / Undergirls
03. Sokode Inu no Unko Funjaukane? (そこで犬のうんち踏んじゃうかね？) / Team B
 + off vocals

DVD:
01. So long! PV
02. Waiting Room PV
03. Sokode Inu no Unko Funjaukane? PV
04. AKB48 2nd Kouhaku Taikou Uta Gassen ~Shirogumi Digest~ (第2回 AKB48紅白対抗歌合戦 ～白組ダイジェスト～)
05. Sugar Rush PV