I posted the entire Utah show in Jan. '15 and there is still one seed left. The taper is different than the one here though:

http://www.dimeadozen.org/torrents-details.php?id=517217

Los Lobos
Kearns Auditorium
Eccles Center for the Performing Arts
Park City, UT USA
March 12, 2005 - soundcheck

Source: Audience recording > Neumann AK40's > LC3 > KM100 > Apogee MiniMe (@24/48) > S/PDIF > VXPocket v2 > Dell Inspiron > WaveLab > WAV > FLAC Frontend v.1.7.0.1 > FLAC (unindexed)(16/48) > FLAC Frontend v.1.7.0.1 > WAV > Soundforge v. 6.0 (48 > 44.1 resample) > CD WAV v.1.71 > FLAC Frontend v.1.7.0.1 > FLAC. Mastered by Steve Jochmann, transfered by Dan Gale.

http://db.etree.org/shn/112434

Soundcheck:
01. Canto Veracruz (cuts in)
02. (tuning/noodling)
03. La Pistola y El Coraz�n
04. (tuning/noodling)
05. Ay Te Dejo En San Antonio
06. (tuning/noodling)
07. Teresa
08. La Llorona
09. (tuning/noodling)

Total time = 29:16