1 & 2 was released in 2014 and reached #6 in Japan. Their second album PTX was released in 2014 and their third album That’s Christmas to Me was released later that year. The album reached #2 in the US and #4 in Canada. That album became the highest charting holiday album in the US since 1962 and fourth best-selling overall album that year. Pentatonix Band won a Grammy Award for Best Arrangement, Instrumental or A Capella for “Daft Punk”. Their documentary Pentatonix – On My Way Home was released in June 2015. Grassi is a tenor who sings lead and backing vocals.