Unsubscribe from track changed event on disposal
Unsubscribe from track changed event on disposal

NeoAdonis/osu,UselessToucan/osu,ppy/osu,peppy/osu-new,peppy/osu,ppy/osu,peppy/osu,ppy/osu,NeoAdonis/osu,smoogipoo/osu,smoogipoo/osu,UselessToucan/osu,NeoAdonis/osu,peppy/osu,UselessToucan/osu,smoogipooo/osu,smoogipoo/osu