Answers revealed in the comments.
GAME 1
From April 9 to May 14, 2011, two different songs with titles that are predominantly abbreviations spent time at #1 on the Billboard Hot 100. Name either of the lead artists on those #1 hits.
GAME 2
The only two elements on the periodic table with a double “T” in their names (consecutively) both begin with what letter?
hebspeaks 
GAME 1
From April 9 to May 14, 2011, two different songs with titles that are predominantly abbreviations spent time at #1 on the Billboard Hot 100. Name either of the lead artists on those #1 hits.
Show Answers
Katy Perry
Rihanna
GAME 2
The only two elements on the periodic table with a double “T” in their names (consecutively) both begin with what letter?
Show Answers
“Y”