Chords for 我是歌手2 第四期 G.E.M. 鄧紫棋 - 我要我們在一起 高音質版本 (). Spark is the smartest and most interesting app to learn and enjoy playing guitar. Spark is an all-around app for beginners and advanced players to learn any song with chords or master new skills with hundreds of lessons and games in Spark.