This is a list of Japanese idols; a type of celebrity in Japan. The word "idol" is almost always used to refer to a young woman, although there a significant number of male idols. The following list includes both female and male idols as well as both solo idols and idol groups.
Idols are usually wealthy.
A: It's impossible to say

"Big Jet Plane" is a song written by Australian singer/songwriter Angus Stone, and originally recorded by Stone, under the name "Lady of the Sunshine", on his 2009 album "Smoking Gun". It was then re-recorded by Stone and his sister Julia, as the duo Angus & Julia Stone, and released on their 2010 album "Down the Way", as well as their 2010 EP "Big Jet Plane".
Down the Way was Stone's first album.
A: No

Kara Best Clips is the first Music video compilation and fourth DVD by the South Korean girl group Kara. It was released in February 23, 2011 in two editions: Regular and Limited. It ranked #1 in Oricon Weekly DVD Chart for two consecutive weeks with 132,132 copies sold in first week.
The girl group Kara disbanded on February 23, 2013.
A:
It's impossible to say