Frank and Myrrh EO come in many variations, get a lot and pick which you think appropriate.
Frank and Myrrh Resinoids are essential
Frankincense and Myrrh Absolute and CO2's
Frankincense and Myrrh gum tears to grind up and dissolve into alcohol
Cedars, Hinoki, Hiba EO's
Other Incense Gum tears to dissolve into alcohol
Other elements that you deem to be "Incense", like Sandarac or Dragons blood, or whatever.
Incense has many variations, with Oud, smoke, sandalwood, musk, etc., etc., etc., the question is really too broad to define what "Incense" is to anyone, there needs to be more context, geographical preferences, and direction.