The Back of the EMI CD case must refer to the Winter Solstice. the picture was taken during the night, which could imply the darkness of the winter solstice, a kind of cosmological Time Zero (or a New Beginning).
Notice the WINGED EYES or WINGED TARGETS. This symbol could refer to the Corona of a Total Eclipse of the Sun. The Target looks like the astrological symbol for the Sun. This could also be a reference to Hermes/Thoth, the "winged god".
The Light Wave between the mouth is a clear reference to communication. But we can also understand it as the zodiacal symbol of AQUARIUS.