The song appears on a SESAC registry (the Society of European Stage Authors and Composers). The registry is one of the oldest organisations for performances rights in the United States of America.
The song is titled "Broken Hearts" and is under an "AKA titles" section "Shattered Hearts". The writers credited with the track are Adele Laurie Blue Adkins and Taylor Alison Swift.
It has also been rumoured that this collaboration could feature on Taylor Swift's next re-recorded album "Red".
Some of the tweets regarding this rumoured collaboration between the pair include the following.
Swift has been very busy over the past year, releasing two albums "Evermore" and "Folklore".
Along with the albums and her re-recorded project, Taylor Swift also recently collaborated with Aaron Dessener of the National and Bon Iver's Justin Vernon for the Big Red Machine record, with the new single "Renegade".
A few days ago, Dessner shared this new single featuring Swift. Check it out below.