Cities of the world (SMILE)

[noodledoodle]

Please can anyone help with the following.

5) Laugh to find no singer on the island. (8)
6) Girl surrounds 5, for example, and article for gambling.(3,5)
20) Two shirts between ocean and the French.(7)
21) Gangsters put church in charge of the past.(7)
66) Spanish pub has student leaving instrument to get sodium.(9)
97) Inside gateau stinks in Texas.(6)

[bulliver]

21 Chicago

[bulliver]

5 Honolulu

[Calibax]

66 Barcelona
Bar + Cel(l)o + Na

[bulliver]

6 Las Vegas

[penelope2]

97. Austin

[gen2]

97 Austin

[The Builder]

97 gateAU STINks

[penelope2]

6 Las Vegas

[gen2]

20 Seattle

[The Builder]

20 seattle

[The Builder]

6 las vegas

[noodledoodle]

You are all so quick!! Thanks to everyone.
I missed one
70) Arabian sack to Hindu capital, Father. (7)
My head has had enough of looking through the atlas!

[Calibax]

70 Baghdad

[noodledoodle]

Thanks again.