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Rising Star, Opera Singer Tatiana Kallmann is a Classical Crossover Soprano who has and continues to enchant audiences worldwide. Offering a manifold of musical melodies, Tatiana, transcends musical borders while innovating ancient and modern music traditions in a fresh and new style of her own.

Tatiana Kallmann is a Colombian Opera Singer who has cultivated her vision as a Crossover Singer-Songwriter from a very young age. She received Italian Bel Canto Operatic vocal training from renowned professors throughout Europe, primarily in Italy, Austria, Switzerland, and Germany.

As the main stage and headlining Guest Soloist, avant-garde and visionary artist Tatiana Kallmann has performed for renowned names such as for Heidelberg Marketing, the Richard Wagner Association in cooperation with the National Theatre of Mannheim, REWE, PORSCHE, WELLA, Perkeo-Gesellchaft Heidleberg 1907, the St.Petersburg  International Folk Fair Society, and in the 3,000 spectators public open-air performance at the annual Festa Italiana of Ybor City in Tampa, Florida.

The beginnings of Ms. Kallmann's life took place in her birth city, Bogotá, Colombia. In the pursuit of building a brighter future for their children, Tatiana's parents made the life-changing decision of seeking opportunities outside of their beautifully vibrant, cosmopolitan, yet sadly war-stricken homeland Colombia. When Tatiana was just 5 years old, her Mother, a Biologist, received an invitation to work and live in the United States of America. Their first home was in the city of Miami, Florida.

Since the first step of her family's life-changing odyssey, Tatiana has been universally exposed to a variety of cultures, spanning from her birthplace, Bogotá, Colombia, the Caribbean island of Puerto Rico to numerous cities in the sunny state of Florida, including her hometown city Tampa, Florida. 

Through the immense love, support, and encouragement from her family, mentors, and teachers, Ms.Kallmann began her career and vocation for music and the performing arts at the age of 13 when she began her very first private voice classes. Her extracurricular classes prepared her for the entrance audition to Howard W. Blake High School of the Performing Arts in her hometown city, Tampa. In her time at the Tampa Performing Arts Magnet High School, Tatiana was a part of the Chorus and Musical Theatre department. She participated in many life-changing concerts and stage performances spanning from Gabriel Fauré’s Requiem to a variety of Musical Theatre productions such as „Bat Boy“, „The Wiz“. and" The Mikado". 

In addition to this fascinating exposure as a young artist, she additionally partook in various Musical Theatre productions outside of school, including the premiere of her very first solo role as „Fantine“ in the world-renown Musical Les Miserables and “Mabel” in the musical FAME.  

At just the age of 15 years old, Tatiana Kallmann graduated early from Blake High School of the Performing Arts, and courageously set off to pursue her lifelong dream as Singer-Songwriter & Recording Artist. It was in this moment of her life that Tatiana took the biggest leap of faith for her career, moving back to her birth city in Bogotá, Colombia, where she was granted her first Record Deal. In the course of a year, Tatiana began her work as a melodist, lyricist, and vocalist with virtuoso guitarist & producer Andres Osorio Toledo producing their Crossover Pop Rock Project // Unclassified //composing her first original songs, among others "The Truth", "Your Goddess", "Caminos de la Vida", and "21st Century Girls".

In 2005, the same year as her High School graduation, Tatiana was granted a Florida Bright Futures Scholarship to attend the Florida State University School where she was accepted to become a student of the renowned College of the Music. During her undergraduate studies, she was a diligent student of the internationally acclaimed Soprano Ms. Shirley Close who given her exceptional talent, invited Tatiana into her select vocal studio and taught her the classical vocal technique and the repertoire of lieder and opera. Succeeding her 4 years of diligent studies, Tatiana Kallmann triumphantly graduated Cum Laude from her alma mater Florida State University receiving her Bachelor of Arts in Music.

Ms. Tatiana Kallmann completed her Bachelor's Degree at the Florida State University and her Master's Degree in Vocal Performance from the University of Performing Arts in Mannheim, Germany where she premiered among other roles those of “Pamina”, “Papagena” from W.A. Mozart’s Die Zauberflöte, “Despina” from Mozarts Cosi Fan Tutte and “Sancha” in the World Premiere of the Opera Echt?! at the acclaimed Opera House; the National Theatre of Mannheim, Germany. 

After successfully completing her International Master's Degree in Germany, Tatiana Kallmann decided to stay in Europe and launched her entrepreneurial dream starting up her own small business "Crossover Soprano International".


Ms. Kallmann shares her passion for Music through her elegant LIVE Performances. In each performance, she marvels & enchants her international audiences with the artistry of Classical Crossover Music, seamlessly interconnecting & powerfully fusing a variety of musical genres including Opera, Pop, Latin, Jazz, & Classical Music.​


As an Entrepreneurial Crossover Soprano, Tatiana has performed all throughout the historical city of Heidelberg including the Renaissance Heidelberg Castle, the 2,5000 Spectator Congress Hall, the City Hall, and was invited as the Star Guest at the 11th Annual AIDS Gala in the Heidelberg Theater. 


In addition to her artistic and entrepreneurial engagements, Tatiana Kallmann also serves as a humanitarian world citizen lovingly offering her culturally enriching artistic performances for a variety of Non- Profits, and charities, organizations such as UNICEF, Casa del Sol Mainz, the Rotary Club, Soñar Despierto Bogotá, the Cervantes Instituto Frankfurt, the Paul Gerhardt Feudenheim Church of Mannheim, UNITY, the Oneness University and Embracing the World® a global initiative that helps alleviate the burden of the impoverished communities.​​

The Mission of Crossover Soprano International Tatiana Kallmann has been, since she was a child, to sow seeds of love and peace through her voice. Her dream is to create a space in time where the power of music and the human voice stand in the forefront, vanishing all culturally dividing barriers and in turn bring people together through their joined reverence for the arts. Ms. Kallmann believes that it is in the moments where the society- imposed stereotypes, especially those created by social-economic elitism, gender, race, age, and any form of discrimination cease to exist, that music may serve its higher purpose for humanity.