He has been characterized as a "face for the melancholy", and the themes in his songs often revolve around broken hearts, loneliness, and sorrow.

Sometimes, his lyrics include social criticism, but he also reveals trivial and funny sides of himself.

[1] Eggum was born in Bergen but started as a pub singer in London, making his living for two years writing songs in English.

One of his most famous songs – "En natt forbi" ("A night is over") – was originally written in English under the title "Alone, Awake".

An example of the latter is his membership in Gitarkameratene with fellow guitarists Lillebjørn Nilsen, Øystein Sunde and Halvdan Sivertsen.