Asher Knight is a singer/songwriter whose sound I adore. What made love Asher even more is the story behind his music. His low-self esteem almost stopped him from pursuing a career in music. With the help of an angel, Asher found the strength he needed to go after his dream. Asher just released his latest single, "Oxygen," a song about unconditional love. It's about having that person there to support you, no matter…