Every song on Cradlesong is right around the same pace, thereby making this album ideal to play as background music to whatever else you may be doing without having to worry about having to make millions of volume adjustments. However, if you play it in the background you run the risk of getting caught up in a song and being completely and utterly distracted from what you were doing. Just think of songs like "Gasoline," "Give Me the Meltdown," and "Still Ain't Over You."
Rob Thomas may not have the greatest voice I have ever heard, but there is a great deal of sincerity in how he sings, which may be more important than the quality of the voice (not that he has a bad voice at all). He sings of love, life, emotion, and relationships from first hand experience, nothing sounds put on or insincere. His voice carries a lot of weight in the delivery. Just listen to the truths he delivers in "Someday," "Hard on You," and "Getting Late."
Bottomline. I doubt I will ever be able to be called a full-fledged Rob Thomas fan, but if he keeps generating material like this, I suspect it will be a long time before we stop hearing from him. That is not a bad thing. He knows how to write a song, sing a song, and enjoy doing it.