http://www.ladygaga.com/#__federated=1
_ Lady Gaga, Tony Bennett - Bewitched, Bothered And
https://youtu.be/f_IYAvaa8cU
_ Tony Bennett, Lady Gaga - But Beautiful
https://youtu.be/O1OdWOLWeCM
_ Tony Bennett, Norah Jones - Speak Low
https://youtu.be/SRm08pVt-xc
_ Tony Bennett, Amy Winehouse - Body and Soul
https://youtu.be/_OFMkCeP6ok