Poland. Later that month, it was announced that Robert would step down touring with the band (except for occasional shows) as there was no-one to look after Robert and Sharon's three children. Robert will focus on production and songwriting, while Stefan Helleblad is taking his place on stage. In early 2012, to continue promoting the album, the band started a South American tour, passing over Brazil, Chile, Argentina, Peru and Ecuador. Right after coming back to Europe, the band presented a semi-acoustic Dutch theater tour in March 2012, called Sanctuary, much like their previous live album An Acoustic Night at the Theatre in which they played many songs never played before like Say My Name, The Last Dance, Overcome, Bittersweet and some that they don't play often like Restless, Sounds Of Freedom, The Swan Song and Our Farewell. Most of them were played in acoustic version. On 8 May 2012 Sharon den Adel and Ruud Jolie appeared on DWDD Recordings to perform an acoustic cover of Nirvana's song Smells Like Teen Spirit. The band embarked on a second leg of festivals, headlining several of the biggest European 2012 Summer Festivals, such as Sonisphere, Masters of Rock, Rock Werchter, Summerbreeze and Gods of Metal. Later, the band officially announced a very special show called Elements. The sold out special show celebrated the band's 15-year anniversary at the Sportpaleis, Belgium, and the band was accompanied by the Il Novecentro Orchestra and other special guests, such as band's ex-members. Hydra and various influences (2013–2016) In the run up to the 15th anniversary of Within Temptation, the band was asked by Belgian radio station Q-Music to choose and perform an existing track in a "Within Temptation style" once a week during fifteen weeks during their special program Within Temptation Friday. The covers consist most part of pop songs in which the band transformed into a more symphonic oriented form. Lead vocalist Sharon den Adel stated that:“Our approach was to really make the cover a new Within Temptation song. So not going the easy way by using only a piano or an acoustic guitar for example, but really trying to put all the elements of a Within Temptation track in this new version. It was quite a challenge because we had only one week to get it right, while recording an original Within Temptation song can sometimes takes up half a year! But this pressure