Getty. Few singers can match Mariah Carey's mind-blowing ability to sing a reputed five octaves -- compared to a piano's seven -- and now the veteran pop diva's vocals have been put to the test. Well, sort of: a cleverly spliced YouTube video shows off the singer scaling, in ascending order, the entirety of five octaves. That's over 65 keys, for those who can do the math, or just make it through the ear-splitting, tea-kettle high notes at the video's end.
The name Isabelle is of French origin. The meaning of Isabelle is G-d oath, pledged to G-d. Isabelle is generally used as a girl's name. It consists of 8 letters and 3 syllables and is pronounced I-sa-belle.
Kathleen is an Anglicized variant of the Gaelic/Celtic name Caitlin, caitlÃ­n which is a variant of The Old french Name, cateline which is ultimately derived from The english Name. Katherine the meaning Of katherine is. Unknown it is originally associated with The Greek, aikaterine which is of (uncertain and) debatable. originhe meaning of Kathleen is unknown. Its origin is  English variant of the Gaelic/Celtic name Caitlin . Kathleen is a form of Caitlin and is generally pronounced like  kath LEEN . This name is mostly being used as a girls name.