260109 NHK Koukoukoza Rekishi Sougou (Akimoto Sayaka) akb48ma com.mp4 Size: 795.98 MB | Duration: 00:19:54 | Video: 1920×1080, Bit rate: 5448 Kbps, 29.970 fps | Audio: 132 Kbps, 48 Khz

260107 NHK Koukoukoza Rekishi Sougou (Akimoto Sayaka) akb48ma com.mp4 Size: 844.45 MB | Duration: 00:19:52 | Video: 1920×1080, Bit rate: 5801 Kbps, 29.970 fps | Audio: 132 Kbps, 48 Khz

251205 NHK Koukoukoza Rekishi Sougou (Akimoto Sayaka) akb48ma com.mp4 Size: 1.04 GB | Duration: 00:19:58 | Video: 1920×1080, Bit rate: 7317 Kbps, 29.970 fps | Audio: 132 Kbps, 48 Khz