"Old School Tour" of the band in Finland in autumn 2016, as the band only played the three first albums with original singer Niko Kalliojärvi. Ari's last performance in Amoral took place on 5 January 2017 at the final show of Amoral in Helsinki, Finland. Disbandment 27 July 2016 the band announced, signed by all the current members, that they will disband in the beginning of 2017: "It is with heavy hearts that we announce that we've decided to disband Amoral. This was not an easy decision, as this band has been such a huge part of our lives (in the case of Ben and Juhana, for about 19 years!), but yet it felt like it was time. Constantly conflicting schedules and a fading interest in touring by some members have made the band run at half-speed. Amoral is not a "half-speed" band. It's all or nothing. And, to be honest, the idea of starting something brand new after all this time has become very appealing...." Other projects Beside Amoral, Ari has played also solo and duo shows among others with his previous bandmates, Erkka Korhonen and Luca Gargano. Ari has joined the Raskasta Joulua (Heavy Christmas) – tour in Finland each year since 2007 (except 2017 for vocal cord infection) with a group of well known Finnish metal vocalists. They perform traditional and contemporary Christmas songs in heavy rock/metal style. From 2013 on the tour has been played in big concert halls, when they earlier performed mainly in clubs. Ari sings in four Heavy Christmas albums: "Raskasta Joulua"(2013), "Raskasta joulua 2" (2014), "Tulkoon joulu – akustisesti" (2015) and "Raskasta joulua IV". The two first albums have sold Platinum (over 20,000 units) in Finland. Ari sings in the first album a traditional Finnish Christmas song Arkihuolesi kaikki heitä, in the second album "The First Noel" and in the acoustic album Sylvian Joululaulu and in the fourth album "Kun joulu on". The two first albums and the fourth album contain also a song where all the singers sing together, on the 1st one Tulkoon joulu, on the second one Joulu, juhla parahin and on the fourth they sing "Joulun rauhaa". 2015 Ari started to perform at the Music Theater Palatsi in Tampere, Finland. The theatre changed its name to Finnish Music Theatre, Suomen musiikkiteatteri in 2017. Their first play with Ari was the rock musical I Wanna Rock in 2015, where