Listen to Becoming Indispensable At Work: 9 Key Strategies to Be Indispensable On the Job online. Becoming Indispensable At Work: 9 Key Strategies to Be Indispensable On the Job is an English language song and is sung by Jeff Davidson. Becoming Indispensable At Work: 9 Key Strategies to Be Indispensable On the Job, from the album Becoming Indispensable At Work: 9 Key Strategies to Be Indispensable On the Job, was released in the year 2007. The duration of the song is 27:36. Download English songs online from JioSaavn.