No. Tan Yangyang and Double-tone Big Fish are two different concepts and they are not the same. Tainyangyang is a concept in traditional Chinese culture, originating from the hexagrams in the Book of Changes. It is a type of gossip and represents masculinity, positivity, enthusiasm, activity and other meanings. DoubleYinFish is the name of a musical symbol, also known as "double fish line" or "double note". It refers to the technique of playing two notes simultaneously in music.