这个音乐节上最受欢迎的DJ们正在播放带有强劲低音线的回响贝斯音乐。

The most popular DJs at the festival were playing ___dubstep with powerful basslines.

她在卧室里用电脑软件创作了一首新的电子音乐。

She used her laptop to ___create a new electronic track in her bedroom.