In what year was the album “PTX” released by Pentatonix?

In what year was the album “PTX” released by Pentatonix?: The album “PTX” was released in 2015 by Pentatonix, featuring 16 tracks.
What is the most successful song from the album “PTX” by Pentatonix?: “Daft Punk” is the biggest hit from the album “PTX” by Pentatonix.
What are the main songs from the album “PTX” by Pentatonix?: The main songs from the album “PTX” by Pentatonix are “Daft Punk”, “Royals”, and “Run to You”.

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