Nolan"FulcusHD”: Safe, by Us the Duo! I LOOOOOOVE this so much. Us the duo (the best couple ever!) opened for the Pentatonix concert I went to (yes i did go to a PTX concert). Thanks for the love! And for almost 18,000 followers, too! #PopUp #safe #ustheduo #loveyouguys #acapella #cover #SingingCompetition