Listen to Working at the Hardest online. Working at the Hardest is an Instrumental language song and is sung by Blue Moon Swing. Working at the Hardest, from the album ワークスペースに最適なサクサクはかどるジャズBGM - I'll Be There, was released in the year 2023. The duration of the song is 1:53. Download Instrumental songs online from JioSaavn.