There is but it's quite often hard to find. If you can't order it from your local music store then try contacting the record company direct. If you're a guitarist looking for songs in tablature format try asking in alt.guitar.tab or rec.music.makers.guitar.tablature. Or better still try the guitar tablature archive at
http://www.harmony-central.com/Guitar/Unfortunately the best, OLGA (the On-Line Guitar Archive), has been closed for the forseeable future due to legal arguments between itself and Warner Brothers and The Harry Fox Agency.
A good supply of new age music midi files can be found at the Complete MIDI File Directory
http://www.flexfx.comAlso the world rhythms section of the Ancient Future site has a large online instruction section on African, Balinese and Indian rhythms complete with MIDI files at
MUSIC BY FAX
An unusual idea in that you can contact them to send you high quality print outs of music scores. You do need to register for their bespoke viewer. I don't know what there range of new age scores are like but this is one to keep an eye on:
http://euro.sheetmusicdirect.comAnd recently recommended by Piano Resource is DJ's Sheet Music Archive: