Like any of the language courses, you get out what you put in. This course uses a music background with a native and English speaker going over Portuguese phrases and words. The course tends to provide a sentence, in English, and then in Portuguese and then breaks down all the words in the sentence, and the pronunciations for the words. The course is similar to the other earworms courses, and if you liked one of the others I imagine you'll like this one.
It's not a bad idea, although the tunes are not that great, I find that I can recall some of the sentences. A good supplement for learning, or for a quick fix before heading on holiday but it is not a good standalone course.