複雑な内容の曲をいかにポップに歌うか考えたって英語でなんて言うの？

「複雑な内容の曲をいかにポップに歌うか考えた」＝ He thought about how he could put such complicated lyrics(contents) into a pop song. / He thought carefully about how to include such complicated lyrics (contents) in a pop song. ボキャブラリー thought about ＝ 考えた how ＝　いかに put ＝　入れる、含める such ＝　そんな complicated ＝　複雑 contents/lyrics ＝　内容 pop song ＝　ポップの歌 carefully ＝　慎重に