Songs, but what's the colour?

[jeanrich]

Usually black in London 44.Almost black and white 47. Doesn't lay eggs Thanks in advance

[cupid04]

big yellow taxi?

[quinie]

Seen these answered as 44 Ebony and Ivory 47 Little Red Rooster

[factor-fiction]

Is this two clues or three? (You have given only 2 clue numbers).
Are we looking for song titles that mention a colour?
Fade to grey?

[sir.prize]

It seems that the 47. corresponds with doesn't lay eggs. So confusing. I give up.