Mariana Zvetkova can be contacted

by phone: +359 886 658 189 / +1 917 306 2886/

+1 212 397 7256

by e-mail: ZVETKOVA@AOL.COM

marianazvetkova@abv.bg


The Martina Arroyo Foundation, Inc.

200 Central Park South Apt. 20 – I

New York, NY 10019, USA

Tel +1 212 397-72 56 / Fax +1 212 397-7257

e-mail: info@martinaarroyofdn.org


Beatrice Ferraro / Aliopera – Opera Artists Management

Via Carlo Poma 9

20129 Milano – Italy

ph: +39 02 898 666 90

e-mail: b.ferraro@aliopera.com


Sofia National Opera

Bul. “Dondukov” 30

Sofia 1000, Bulgaria

tel: +359 2 987 8968