Pentatonix has released a cryptic announcement of an upcoming tour and album by singing a snippet of the old classic ‘It’s Been a Long Long Time.’ Pentatonix, sometimes abbreviated to PTX, shot to fame on Youtube when they began uploading interesting arrangements and medleys of modern pop songs and Christmas songs. They have won three Grammies and are one of the best known a cappella groups in the world.
#song #singing #acappella #pentatonix #music #classic #oldie #harmony
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