The score certainly sings, especially Blanche's music.
"Luther was chubby at the time, but he could certainly sing," Mr. Kendricks recalled.
"I love doing things that scare me," Ms. Ryan said, "and certainly singing in public is one of those things".
Certainly singing Radames or any comparable role is now beyond him.
She can certainly sing, albeit in the grandstanding all-talent-and-no-taste style that guarantees a standing ovation on The X Factor.
His own faith has been the subject of much speculation, but he certainly sings O Holy Night and Once in Royal David's City with a tenderness that suggests he means every word.
You can certainly sing about getting high and having sex in mainstream country music, but only within clearly defined limits: the acceptable intoxicant is alcohol, and it helps if you travel to an illicit tryst by pickup truck on a dirt road while giving thanks for the blessing of freedom.
Whether Nicolas has turned a financial corner we cannot say, but he was certainly singing for his supper on a US chatshow this week, barely settling into his seat before telling David Letterman how his cat Lewis had just adored the bag of magic mushrooms he'd kept in his fridge back in the day.
There is a Proms in the Park event in Glasgow Green on Saturday, headlined by Katherine Jenkins, in which thousands of Scots will almost certainly sing Rule, Britannia! as lustily as any other of the parks all over the country, in perfect synchronicity with the audience in the Royal Albert Hall.
Van Outen can unquestionably act and certainly sing; it's just a shame about the script, which is littered with obligatory references to Aramis aftershave and Eternal Beau tableware, though the sheer predictability of the will-she-won't-she dilemma over an old flame who has popped up on Facebook does little to disguise the visual paucity of a woman sitting in a hotel suite sending text messages.
