Listen to The Hardest Part Is Forgetting Those You Swore You Would Never Forget online. The Hardest Part Is Forgetting Those You Swore You Would Never Forget is an English language song and is sung by Being As An Ocean. The Hardest Part Is Forgetting Those You Swore You Would Never Forget, from the album Dear G-D..., was released in the year 2012. The duration of the song is 5:07. Download English songs online from JioSaavn.