TASK DEFINITION: In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to provide one question which clarifies the input question and it has one unique answer, and also provide an answer to the generated question. Generated question and answer should be separated with a new line.
PROBLEM: The basic ratio on which the notation of rhythm is built is?

SOLUTION: The basic ratio on which the modern notation of rhythm is built is? 
 2:1

PROBLEM: Who sings i'm telling you i'm not going?

SOLUTION: Who sings i'm telling you i'm not going in the musical Dreamgirls? 
 Jennifer Yvette Holliday

PROBLEM: When did sound become a regular part of the motion picture viewing experience?

SOLUTION:
When did sound become introduced as part of the motion picture viewing experience? 
 14 April to 12 November 1900