"Half of my quarter of a century belongs to music, so I never belonged to anything else," says Welsh songstress Duffy. "I feel very able and ready!"

The blonde bombshell was in Tokyo for her first full-length live show in Japan — at Shibuya AX on March 17 — and is still basking in the success of her debut album, "Rockferry," released in March 2008.

Three BRIT awards and one Grammy later, the old-school soul singer is the lady of the moment, with 5.5 million album sales to her name. Bouncing in to a five-star Roppongi hotel room with her sparkling smile, the 24-year-old proves far more contemplative and self-aware than first impressions might suggest.