ABBA singer Bjorn Ulvaeus busks in Stockholm train station

Bjorn Ulvaeus of ABBA was recently spotted busking at a metro station in the Swedish capital

Stockholm. He was dressed as a cowboy performing in honour of his friend Tim Ledvins who turned

70 on February 25. Ledvins toured with ABBA on their 1979 -80 tour as a backing vocalist. Meanwhile Bjorn

Ulvaeus and his wife Lena announced they were ending their 41-year-old marriage but remain friends.