coloratura: I should have known this as the alternate. Bel Canto is a style and era in music.
Sorry to say I don't know anything contemporary. Have your wife look at the website on my signature. She may find something you can arrange.
Ask on the International Trumpet Guild web site. A competition was held for new music for voice and trumpet.
Finally, send an email to Nicklus Ecklund:
Niklas Eklund Trumpet
Nicklus is a great and good person as was his father.