For MD, I have seen 48 show in the state of . Below is a little more detail about each of those concerts.

 

Phish 2019-06-22
  Merriweather Post Pavilion - Columbia
Phish 2018-08-12
  Merriweather Post Pavilion - Columbia
Phish 2018-08-11
  Merriweather Post Pavilion - Columbia
Widespread Panic 2015-04-26
  Pier Six Pavilion - Baltimore
Phish 2014-07-27
  Merriweather Post Pavilion - Columbia
Phish 2014-07-26
  Merriweather Post Pavilion - Columbia
Killers, The 2013-08-10
  Merriweather Post Pavilion - Columbia
Phish 2013-07-13
  Merriweather Post Pavilion - Columbia
Medeski, Martin, & Wood 2012-10-14
  Rams Head On Stage - Annapolis
moe. 2012-03-10
  Rams Head Live! - Baltimore
Widespread Panic 2012-01-24
  Fillmore (MD) - Silver Spring
Phish 2010-06-27
  Merriweather Post Pavilion - Columbia
Phish 2010-06-26
  Merriweather Post Pavilion - Columbia
Phish 2009-08-15
  Merriweather Post Pavilion - Columbia
Artscape 2009-07-18
  Artscape - Baltimore
Medeski, Martin, & Wood 2009-06-05
  Rams Head Live! - Baltimore
The New Mastersounds 2009-01-09
  8x10 Club - Baltimore
Soulive 2008-08-16
  Rams Head Live! - Baltimore
Machine, The 2007-02-10
  Rams Head Live! - Baltimore
Wayne Hednerson 2006-03-20
  St. Mark Presbyterian Church - Rockville
Soulive 2005-12-29
  Rams Head Live! - Baltimore
Steve Kimock Band 2005-06-03
  Funk Box - Baltimore
Charlie Hunter Trio 2005-06-01
  Rams Head On Stage - Annapolis
Soulive 2005-05-20
  Funk Box - Baltimore
Medeski, Martin, & Wood 2005-05-15
  Rams Head Live! - Baltimore
Charlie Hunter Trio 2004-09-22
  Rams Head On Stage - Annapolis
Acoustic Planet Tour 2004-08-29
  Merriweather Post Pavilion - Columbia
Steve Kimock Band 2004-07-22
  Funk Box - Baltimore
Dark Star Orchestra 2004-03-09
  Funk Box - Baltimore
Charlie Hunter Trio 2003-11-19
  Funk Box - Baltimore
Steve Kimock Band 2003-10-04
  Funk Box - Baltimore
Jazz Mandolin Project 2003-09-20
  Funk Box - Baltimore
Dead, The 2003-06-18
  Merriweather Post Pavilion - Columbia
JamGrass 2002-07-18
  Merriweather Post Pavilion - Columbia
Trey Anastasio Band 2002-06-22
  Merriweather Post Pavilion - Columbia
Trey Anastasio Band 2001-07-28
  Merriweather Post Pavilion - Columbia
Static-X 2001-05-04
  Recher Theatre - Towson
Lake Trout 2001-04-07
  Recher Theatre - Towson
Agents of Good Roots 2001-03-10
  8x10 Club - Baltimore
Phish 2000-09-17
  Merriweather Post Pavilion - Columbia
HFStival 2000-05-28
  FedEx Field - Landover
Summer Sessions 1999-08-26
  Pier Six Pavilion - Baltimore
Lake Trout 1999-08-19
  Lava Lounge - Baltimore
Phish 1999-07-09
  Merriweather Post Pavilion - Columbia
HFStival 1999-05-29
  PSINet Stadium - Baltimore
Phish 1998-08-08
  Merriweather Post Pavilion - Columbia
Smashing Pumpkins 1996-07-10
  USAir Arena - Landover
Big Bad Voodoo Daddy 1900-01-01
  Pier Six Pavilion - Baltimore