Misc: In which river is the group of about 1,500 islands known as "Thousand Islands"?

Questions

Although the Fireballs had some success with the record "Torquay" when they teamed up with Jimmy Gilmer, this record stayed at number one for an entire year?

Alvin & the ...?

Ambient-Pop English/French group founded by Laetitia Sadier and Tim Gane?

American Songbook: "..and if you should survive to 105, think of all you'll derive..."?

American Songbook: "I got a girl who lives up on the hill, if she don't love me I know who will"?