As American singer songwriter, Meghan Trainor’s debut single, All About That Bass, climbed the Billboard charts, it came to the attention of fans that All About That Bass carried a very similar melody to three-membered group Koyote’s Happy Mode, which was released in September of 2006.
The similarities were brought to the attention of songwriter Joo Young Hoon, who produced and penned the lyrics for Happy Mode many years before.
On August 26, Joo Young Hoon, tweeted, “I am consulting a specialized lawyer.”
All About That Bass is currently at number 2 in Billboard’s Hot 100 Chart. The music video has more than 29 million views.
There are also posts going around that Meghan and Koyote both copied Phish's Contact
source: 1, 2, 3 & 4