[writing, playing, producing, engineering] [writing, playing, producing, engineering] [playing, additional production, mixing] [playing, producing, engineering, mixing] [co-writing, producing, engineering, mixing] [additional production, mixing] [additional engineering] [mixing] [additional engineering/production] [producing, engineering, mixing] [producing, engineering, mixing] [producing, engineering, mixing] [mixing] [assistant engineer, mix assistant] [producing, engineering, mixing] [producing, engineering, mixing] [mixing] [writing, playing, producing, engineering] [producing, engineering] [writing, playing, producing] [writing, playing, producing] [assistant engineer] [mix assistant] [writing, producing, engineering, mixing, mastering]