No, it's a very good method as long as the music is instrumental. In fact, if you can hear music passively (without imagining it) you can get up in your dream body and away you go. There is a direction within our mind where the music comes from. Try to identify this direction and this will lead you to a full blown lucid dream.

Start with imagining music as a way to aggressively suppress verbal thinking. Then try to look for that special direction in silence. You don't need to succeed. Even just trying can make it work for you.

Music emerges from internal noises. You can focus on these noises most effectively by pinpointing the very middle of your head as a focal point or place to refocus your body awareness. You can choose the rear top of your head as well where the hair makes a small whirl, or the very middle of your body right below the sternum - probably the best point to focus on.

Dream consciousness is surrounded by a thin layer of music and radio like impressions. This musical layer seems to emerge out of internal noises. My theory is that the multimodal cortex when kept awake in sleep looks for any kind of input to interpret. Since the primary auditory cortex gets shut down it will use internal noises and interpret them as music.

In practice you may likely drift on and off to sleep many times before you suddenly realize that you are actually listening to a radio station for quite a long time now. You may hear things only in your left ear though, or it may seem that the music is coming from the next room or something like that. And you need a slightly different strategy to kickstart the dream in both cases.

But you don't need to worry about things like this. Just suppress thinking by imagining music and don't forget to repeat your intention every now and often (at least every time you catch yourself having been drifting off). Say yourself how calm, and composed you are, already asleep but focused and ready for anything that might come without expecting any sort of special outcome. And it will happen