New Delhi, Feb. 16 -- Valentine's Day can be a secondary consideration for some in Lagos.

The Nigerian city of more than 20 million people is renowned for its hustle and bustle, its restless energy and commercial drive - a place where honks from signature yellow passenger buses fill the air.

But Lagos-based rock musician Bianca Okorocha, known as "Clayrocksu," wants people to pause and feel loved as Valentine's Day approaches.

She is taking her music offstage and onto the streets of the city, crooning love songs to random commuters and handing them single-stem roses.

Their faces, first shocked at the encounter, give way to a broad smile as she pulls the strings of her guitar, twanging to James Blunt's "You are Beautiful."

"I am a mus...