In 2017 , Cetera Co-headliner for the Night of the Proms in Germany and Luxembourg was his first time in Germany for 35 years . In 2017 , Cetera was a co-headliner for the Night of the Proms in Germany and Luxembourg , his first time performing in Germany in 35 years . In 2017 , Cetera was a co-headliner for the Night of the Proms in Germany , his first time performing in Germany and Luxembourg in 35 years .