Listen to Shadow Of A Doubt by One Age Old on Artist Sounds. One Age Old is looking to make a big name for himself with his new rock single "Shadow Of A Doubt" on Soundcloud. For this being his first debut single released on Soundcloud the amount of exposure he has gotten this far is incredible. Musician One Age Old is destined and determined to make it into the music industry with his undeniable talent. Get familiar with the name One Age Old for this won't be the last time you hear his name in your household.