Sonus Umbra
- Official site for the progressive rock band from Mexico.
- http://www.sonusumbra.com/

Scarlet Thread
- A Finnish progressive rock band; news, band biography, mp3 clips, and photos.
- http://www.scarletthread.fi

Stream of Passion
- A multinational progressive/art/metal group formed in 2005. The six members include Arjen Lucassen (Ayreon) and Marcela Bovio (Elfonia). Site includes news, tour dates, bios, an mp3 track, video clips, and forum.
- http://www.streamofpassion.com/

Simmetry
- Progressive metal band from Italy. News, bios, sounds, reviews, lyrics, and forum.
- http://www.simmetry.info/

Shakary
- Official site for the progressive band, news, albums, lyrics, and a RealAudio song.
- http://www.shakary.com/

Sphere3
- British progressive rock/jazz fusion band. News, reviews, music samples, merchandise, biography, gig dates, and merchandise.
- http://www.sphere3.co.uk/

Speer, Paul
- Information about the artist and the duo Rockenfield/Speer, including biography, merchandise, and MP3s.
- http://www.paulspeer.com/

Synoptic Rise
- New York based progressive metal band that fuses styles such as flamenco, latin, and funk into their music. Includes news, biography, and MP3s.
- http://synopticrise.com/

Symphony X - The Edge of Forever
- Official site for progressive metal band, with news, biography, pictures, lyrics, merchandise, chat, mailing list, and links.
- http://www.symphonyx.com/

Shades of Dawn
- Official site of art rock band from Düsseldorf, Germany. News, bios, MP3s, and reviews. In German and English.
- http://www.shades-of-dawn.de/

Senses
- Official site of band based in New Jersey, USA, with sound clips, bio, reviews, images, and sales.
- http://www.senses.net/

Synema
- Information and MP3 files of this group that describes its music as a cross between symphonic, electronic, and neo prog rock.
- http://www.synema.com/

Shamall
- Experimental electronic music, news, discography, CD ordering, reviews, pictures.
- http://www.shamall.com

Salem Hill
- US progressive band, news, reviews, discography, message board, pictures, sound clips, lyrics and explanations of their concept albums.
- http://www.salemhill.com/

Sunblaze
- This is the official homepage of Sunblaze, a German progressive metal band. On this site you can find current informationrmation, band photos, MP3 sample files, reviews of the CD 'Illuminating Heights' and CD ordering information.
- http://www.sunblaze.de/

Sunscape
- A psychedelic/progressive band from Milan, Italy. Biography, discography, gigs, lyrics, photos, and screensavers.
- http://www.sunscape.it/e_index.htm

Star People
- Psychedelic, progressive band from the USA including news, background, MP3s, video and biographies.
- http://www.starpeople.net

Superior Olive
- The official site; band news, CDs, cover art, T-shirts, and other merchandise.
- http://www.superiorolive.com

Sorrenti, Jenny
- Solo art rock artist from Italy, history, discography, photos and mp3s.
- http://www.jennysorrenti.it

seriousjokers.com
- Band playing in the central Maryland/ southern Pennsylvania region, CD, schedule, photos, mailing list, soundbytes and contact information.
- http://www.seriousjokers.com

Starcastle
- Official site featuring news, biography, photos and tour information.
- http://www.starcastlemusic.com

Schilling Banco
- Swedish progressive / symphonic band, pictures, Real Audio clips, and links.
- http://schilling-banco.com

Soundscape
- Musical vehicle for the music of Brad Bansner. Includes a mailing list and MP3s.
- http://www.bbarts.com

Soulfound
- Progressive power pop band from Gainsville, FL. News, biographies, MP3s, show dates, photos and merchandise.
- http://www.soulfound.com

Shadow Gallery
- Official site, containing the latest news and information, plus interviews, merchandise and sound clips.
- http://www.shadowgallery.com