Published April 14, 2019 at × in Vocal+Karaoke training+Computer song recording 丹田发音+卡拉歌唱训练+电脑录音 Vocal+Karaoke training+Computer song recording 丹田发音+卡拉歌唱训练+电脑录音 Vocal+Karaoke training+Computer song recording 丹田发音+卡拉歌唱训练+电脑录音