1) Melody and chords. The top and the highest thing to achieve is a melody, it is the best and most complex element, it directly influences our feelings.
2) Sound. The next and very close to the first is the sound, for example the type of a synthesizer or an instrument, and its characteristics, the interest of sound and its wave, flow.
3) Rhythm. Drums, crackles, percussion, things, their structure; rhythms is the heart; we are also naturally interested in the sound presentation of it.
4) Arrangement, production, composition timeline structure. Breaks and interruptions, timeline’s ideas, in short – how the flow of melodies, sounds and rhythms is organized together. Including mastering and processing, effects.
5) Design, idea, presentation of the music. Names, album art covers, design, how it is presented to public in general.
Interesting view. I experienced wealth and simple questions always arise after you got everything… what else, what is next? Luxury…