We are going to learn the names of lots of different colours in the song we're singing today.
The song we're going to sing today has lots of different colours in it.
この場合、次のような言い方ができますよ。
ーWe are going to learn the names of lots of different colours in the song we're singing today.
「今日歌う歌の中でいろんな色の名前を勉強するよ」
the names of lots of different colours で「いろんな色の名前」
ーThe song we're going to sing today has lots of different colours in it.
「今日歌う歌はたくさんのいろんな色が出てくるよ」
このようにも言えます。
もし色の名前を動物の名前にしたい場合は、colours の箇所を animals にすると良いですよ。
ご参考まで!