Related Clues:

• Gave first performance without leader back in London.
• London metro, with "the"
• Soho subway
• Part of an IV or an old TV
• Part IV
• & 13 Across Podium options for London tripper?
• 40-Across, for example
• Inner ___ (river float)
• London's subway, with "the"
• What follows You on the internet
• Pipe potato, briefly?
• Mascara container
• Underground train
• Drinking straw, e.g
• Pipe; underground railway