After some changes in the initial crew, the band hooked up with Dessy Markova (keys), Pavlin Ivanov (drums), Ilian Iliev(guitars).

On 24.06.2011, SEVI released their first single “Can’t Stand the Pain”. The video trailer was also screened in movie theaters in Bulgaria. The song entered in the National Radio charts and also made it possible for SEVI to popularize their music outside of Europe. They were chosen for Band of the week in Rock Symphony Radio (Lima, Peru) and the single was presented on WSF Radio (Chicago), Mani Moore Radio (UK) etc.

Also in 2011 SEVI made couple of collaborations with the guitarists Jimi Sobara, Mihail Paev, Zyggie (Russia), also with Sugar DJ’s, DJ Katsarov, Project Arcadia etc. Sevi made a small summer tour in the country, presenting their music on open air stages, during numerous Festivals etc. Again in 2011 the band released their second single “Limited Edition”. The theme, the lyrics and the interesting appearance of the band in the video were very well accepted bough by public and media! “Limited Edition“entered the radio charts right away! The song stayed for more than 43 weeks at TOP10 of the “Rock 40 chart” on the National Z-rock Radio. It was top of the charts for a week and stayed at Number 3 for two weeks! The song was voted in top 3 at “King Size 10 chart”

In January 2012 SEVI organized a festival dedicated to the new Bulgarian rock bands. They called it “23 & 1/2h Rock it Marathon.” The event took place at bar “Rock it” on 17 and 18 March same year and had huge success and massive impact on the Bulgarian rock scene! 30 bands in 2 days played on the stage of “Rock it”.

On 14.06.2012 SEVI released their first official album “What Lies Beyond”. Inspired by the question “What Lies Beyond?”, SEVI presented the album masked as pirates, who seek for new adventures and horizons. Right after the show the band sailed away on a National Tour, presenting the album under the “pirate flag”!

In October 2012 SEVI realized the second edition of 23 & ½ h Rock it Marathon with 24 bands, separated in 3 categories: blues, rock/alternative, punk/ska!

On 30.11.2012 with an amazing Acoustic LIVE, SEVI released their third video “VICTIM”. The song topped the charts on Z-rock radio almost immediately and stayed in Top 10 for more than 12 weeks!

On 09.12.2012 SEVI presented their new trance project “Shocked“, featuring Sugar Dj’s! The song entered in rotation on BG radio, The voice radio and was among the initial nominations of BG Radio for video, song and trio.

On 13.02.2013 SEVI released their first acoustic album and a DVD called “THE OTHER SIDE OF SEVI”

On 05.06.2013 with an extraordinary Route 66 show, SEVI presented the extreme video “Speed Up”, which was filmed on a truck, while moving around the city of Sofia.Folloed by the roar of Harleys and free spirited bikers, the video is charged with passion, adrenaline and the promise of boundless existence.
The band started 2014 working on a new album. Оn 23.04.2014, SEVI presented their 5th single and video "On My Own". Written by Svetlana Bliznakova and the italian singer Pino Biaggioli in 2006, now fully arranged by SEVI, the song turned out to be one of the most ambitious projects of the band.
“On My Own” enters the top of the radio charts and stays for couple of weeks on number one position at the national Zrock radio chart - Kamenitza rock 40!Summer of 2014 is very successful for SEVI. They participate on Kavarna Rock Fest 2014 - Battle of the bands, where the international jury choses SEVI to open the night of Europe, Krokus, Gus G and Pretty Maids.
In july starts the first european tour of SEVI. They make concerts in Greece, Italy and Serbia. SEVI were the only foreign band to participate on the italian festival "Pirates of Rock" and play at the main stage of the serbian festival Gitarijada just before the great serbian band Riblja Corba.In february 2015 with a big concert in Sofia Live Club, SEVI celebrated 5 year anniversary and presented their book “The Price to Be Yourself” written by the journalist Nikolay Hristov. Sevi become also part of the promo tour of the Serbian Festival Gitarijada 2015
Also in 2015 SEVI were chosen for opening act at the concert of Tom Keifer ( Cindarella ) and his band in Sofia.
On 23.01.2016 SEVI launched a new single and video "Don't Hesitate"
On 23.01.2016 SEVI launched a new single and video "Don't Hesitate". The song is first from the new album "The Battle Never Ends" which was officially released on 13.05.2016. The album includes 11 tracks and features the engineer of Lacuna Coil - Marco Barusso ( mastering ), the guitar player of Doro Pesch - Luca Princiotta and many others.
On 16 May SEVI opened the concert of “Europe” at Arena Armeec hall Sofia. Soon after that SEVI released their 8th official single and video – “The Call” The song is going to be part of a coming up album.
During the summer of 2017 SEVI became part of festivals like Midalidare – Rock in the wine valley and Hills of Rock along with names like Evanescence, Guano Apes, Dee Snider and Doro. The band is now working on a new material.