A month later, Jimi Hendrix's appearance as the final act at the Woodstock Festival with a performance of "Hey Joe" served as further inspiration.

[3] The opening song on the album, "America", reflects on Kennedy's childhood memories dreaming of all things American and when cowboys and the astronauts of the Apollo 11 spacecraft were his heroes.

[3] The Skinny comments that "Album opener America is a sentimental look across the ocean with a slow and smooth acoustic-driven beat with laid back vocals that unsurprisingly declare, ‘All I want to do/Is to be like you’.

[5] The song "Brave Captain" is dedicated to the Apollo 8 crew and on "The Heart of Universal Love", Kennedy imagines the Earth as seen from the view of an astronaut standing on the Moon and looking up at the illuminated planet in the darkness of space.

"[5] Hot Press rated it four stars and summarizes the album: "Howl On is a lovingly-crafted set of tunes – one giant leap for a talented Belfast man.