Among the radio stations that are playing or have played Mark's music are:
New England
WBOS Boston MA
WMBR Cambridge MA
WRBB Boston MA
WMFO Medford MA
WFCR Amherst MA
WATD Marshfield, MA
WUNH Durham NH
WSCA Portsmouth NH
WHEB Portsmouth NH
New Hampshire Public Radio
WXIN Providence RI
WHUS Storrs CT
WVOF Fairfield CT
WRBC Lewiston ME
Northeast
WAMC Albany NY
WJFF Jeffersonville NY
WBNY Buffalo NY
WSPN Saratoga Springs NY
WSLU Canton, NY
WKZE Sharon NY
WTBQ Florida NY
WCVF Fredonia NY
WFUV Bronx, NY
WVKR Poughkeepsie NY
WFDU Teaneck NJ
WPRB Princeton NJ
WYEP Pittsburgh PA
WDIY Allentown PA
WIUP Indiana PA
WMUC College Park MD
WVUD Newark DE
Midwest
WHFR Dearborn MI
WXOU Auburn Hills MI
WDBX Carbondale IL
WHFB Bloomington IN
WBGU Bowling Green OH
WOBO Cincinnati OH
KOPN Columbia MO
KUMD Duluth MN
WWSP Stevens Point WI
WOJB Reserve WI
South
WRFG Atlanta GA
WFJO Folkston GA
WRKF Baton Rouge LA
WFIT Melbourne FL
WHJX Jacksonville FL
WJSJ Jacksonville FL
WSLR Sarasota FL
WUWF Pensacola FL
WRIR Richmond, VA
WFSS Fayetteville NC
WAGS Bishopville SC
KTEP El Paso TX
KEOS Bryan TX
West
KZSU Palo Alto CA
KDVS Davis CA
KVMR Nevada City CA
KXCI Tucson AZ
KGNU Boulder CO
KUSU Logan UT
KPBX Spokane WA
KSER Everett WA
KLCC Eugene OR
KACI The Dalles OR
Jefferson Public Radio, Ashland OR
KEUL Girdwood AK
KIAL Unalaska AK
Canada
CKUT Montreal
CFMU Hamilton, Ontario
CHES Erin, Ontario
UMFM Winnipeg, Manitoba
CJTR Regina, Saskatchewan
Europe/Israel/Australia/New Zealand/Virgin Islands
FM 95.6 Lengerich, Germany
CountryMusic24 Radio, Berlin, Germany
Radio ISW, Waldkraiburg, Germany
Radio ZuSa Lueneburg, Germany
Radio Upper Galilee Israel
31NR Melbourne Australia
Planet Radio, Brisbane, Australia
2MAX FM 91.3 Narrabri, Australia
Radio 2MCE-FM Bathurst, Australia
2Air FM Coffs Harbour, Australia
Radio Kidnappers, Hastings NZ
Town & Country Radio, Lower Hutt NZ
Access Radio, New Zealand
WVGN St. Thomas, Virgin Islands
Internet Radio
Online Folk Festival
Radiowayne
Live365.com
Radio Crytal Blue
Webradio Golden Flash
Dr. Demento Program (Nationally Syndicated)