Bay City Rollers - was a popular 
British pop band of the 
1970s and early 
1980.  The group had five members, and came from 
Scotland.  Their Scottish identity was a major factor in their marketing, and they were one of few groups whose fans had a completely distinctive style of dress, the main elements of which were mid-calf-length 
tartan[?] trousers and tartan scarves.
They had several hits that made to the Top 3 of the British charts, and for a period had their own television series, entitled Shang a Lang (the title of one of their hits).  However, they were never popular with music critics and their popularity quickly waned.
Other hits include:
 
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