Omg wow, this melody really takes me back. I was reading your description on the first page and I was thinking 'What radio station, I don't remember anything like that' and then I listen to the mix and Bam! I remember this melody and station now! I enjoyed it then and I'm really enjoying your remix of it now! (For whatever reason, I haven't heard this melody in the new HG/SS yet! Hopefully it's still in the game somewhere!)
Anyway, I agree with some of the others, dialogue might take away from the melody. I think it's perfect as is! Keep up the great work and thanks for the nostalgia blast!