what the relationshiop bettwen the power of love and my only?

i suddently hear the song the power of love (Artist   Jennifer Rush) 

About The Power of Love

"The Power of Love" is a song co-written and originally recorded by American singer Jennifer Rush in 1984. It has been covered by several artists, most notably by Air Supply, Celine Dion and Laura Branigan. Rush's original version, released in her native United States in late 1984 and in Europe during 1985, reached number one on the UK Singles Chart in October 1985 and became the biggest-selling single of the year in that country. It also topped the charts in several other European countries, as well as Canada, Australia, New Zealand and South Africa.

but it really like my only Singed by Zhou Shen，