繋いだ手から(カラオケ) / back number

ヒロイン（カラオケ） / back number

高嶺の花子さん （カラオケ） / back number

SISTER （カラオケ） / back number

Lover, Come Back to Me/恋人よ我に帰れ/ラヴァー・カムバック・トゥー・ミー /カラオケ/karaoke/ピアノ 高橋丈太郎

セルリアン（カラオケ） / BACK-ON

His eye is on the sparrow/一羽の雀/天使にラブ・ソングを2/Sister Act 2: Back in the Habit/カラオケ/karaoke/ピアノ 高橋丈太郎

Poor Clares of Arundel become first nuns with back-to-back classical number-one albums

Number One Comedy Scenes || Back to Back || Krishna || Soundarya

Back to school, back to number coding traffic scheme in Metro Manila on August 15

Anri (杏里) - Back To The Basic (カラオケ）

We Are Number One but every one is replaced with My Little Pony but every number one goes back to the song

Number One Comedy Scenes || Back to Back || Krishna || Soundarya

20151225 MS back number

クリスマスソング - back number（フル）-4PF7QK-RWwI

花束/back number (cover) LIVEver.

back number - BEST ALBUM「アンコール」now o

back number - BEST ALBUM「アンコール」now on sale-PNFM9SXQJ20

Nipsey Hussle Song Is Back At Number 2

【Nightcore】Back Number - Mabataki　瞬き (Cover Uh)

back number - BEST ALBUM「アンコール」now on sale-PNFM9SXQJ2

back number - BEST ALBUM「アンコール」now on sale-PN

hitz Sabah: #50ThingsThatMakeUsMalaysian Number 31 - Back To Nature

Anupamaa Back In Number 1 Position | This Show Got Shocking Position in The Trp Chart

高嶺の花子さん - back number（アカペラ cover）

Film "WELCOME BACK" | Promotional Song Leaked! Awesome Dance Number | Mika Singh,John Abraham & Shruti Hassan