On December 19, 2010, she became the new singer of Xandria after Lisa Middelhauve finished performing the rest of the live tour dates after Kerstin"s departure.
She is best known as the former lead singer of German symphonic metal band from late 2010, until late 2013. Manuela was formerly one of the soprano vocalists in German symphonic metal band Haggard. Manuela began her musical life in 2005 at the age of 23 while singing in a Finnish choir group, and discovered her new passion was singing.
She began to take classical singing lessons and sang in more church and gospel choirs, and was soon asked to become a solo singer.
While writing her own songs, she joined the Swiss band, but shortly, she left and became a vocalist for German musical group Haggard. She only performed with Haggard live with no studio albums.
On January 7, 2011, she debuted live with at the "Classic Meets People’s" event at the Seidensticker Halle in Bielefeld, and performed their 2004 hit song, "Ravenheart", with the Bielefeld Philharmonic Orchestra. She then toured with on the Out of The Dark tour.
On November 28, 2011, announced they would release their first album with Kraller titled Neverworld"s End and released the album"s first and only single "Valentine" on February 14, 2012, followed by their music video with Manuela.
She then went on tour with Epica, Stream of and Kamelot on their Neverworld"s End tour. On August 2013, Manuela has collaborated with ex-Amberian Dawn singer Heidi Parviainen a duet on her new project Dark Sarah for her future upcoming album. But as of the 25th of October, the band announced on their website that Manuela Kraller had left the band to pursue a different career and was replaced by Dutch singer and Ex Libris frontwoman Dianne van Giersbergen.
Manuela leaves the band with regret but also full of gratitude, thanking and fans for the time together and being grateful for the "wonderful moments in mutual tours and shows".
And she wishes Dianne and band all the very best for the future. She was inspired by symphonic metal bands.
She claims Tarja Turunen, Nightwish, Kamelot and Within Temptation to her personal favorites.