Question: What band member from an alternative country band formed in 1994 contributed to the album Sad Girl?

Context articles: Sad Girl (album)
Whiskeytown
Cross Canadian Ragweed
Ox (band)
Hacienda Brothers
Elliott Brood
The Volebeats
Terminal Cool
The Blue Chieftains
Jeff Tweedy

Sad Girl is the second solo album by alternative country musician Amy Allison.
 It was released on September 25, 2001 on Diesel Only Records in the United States, following its earlier release on Glitterhouse Records in Europe.
 It features contributions from Greg Leisz, Mike Daly (Whiskeytown), Will Rigby (dB's, Steve Earle), and Neal Casal.
Whiskeytown was an alternative country band formed in 1994 from Raleigh, North Carolina.
 Fronted by Ryan Adams, the group included members Caitlin Cary, Phil Wandscher, Eric "Skillet" Gilmore, and Mike Daly.
 They disbanded in 2000 with Adams leaving to pursue his solo career.
 Whiskeytown gradually expanded its sound outside the confines of alternative country while still maintaining its alternative roots.
Cross Canadian Ragweed was an American southern rock/alternative country band formed in Yukon, Oklahoma in 1994.
 The band consisted of Cody Canada (lead guitar/vocals), Grady Cross (guitar), Randy Ragsdale (drums), and Jeremy Plato (bass guitar).
 From 1994-2010, the group released 6 studio albums and 3 live albums.
 The band was at the forefront of the rise of the red dirt music scene in Oklahoma and the country rock music scene in both Oklahoma and Texas.
 After almost 15 years together, the group disbanded in 2010.
Ox is a Canadian alternative country band formed in 2003 in Vancouver.
 The core of the band consists of Mark Browning on lead vocals and guitar, Ryan Bishops on guitar and piano, Shawn Dicey on bass and Max Myth on drums. Jesse Zubot, Nathan Lawr, Kevin Kane and the members of Be Good Tanyas are among the band's frequent guest collaborators.
The Hacienda Brothers is an American alternative country band composed of Chris Gaffney, Dave Gonzalez, Dave Berzansky, Dale Daniel, and Hank Maninger.
 They have been described as "the finest country rock band since the Flying Burrito Brothers in their prime," and were called "the best country band of the decade."
 Their music blends soul, blues, rockabilly, country, Tex-Mex and rock and roll.
 They themselves call it "western Soul."
 The band was hailed as making a "groundbreaking blend of country, rock, blues and accordion-anchored Americana" and by the time founder Chris Gaffney died in 2008 had made three studio albums and one live album.
Elliott Brood (often stylized as Elliott BROOD) is a Canadian three-piece, alternative country band formed in 2002 in Toronto, consisting of Mark Sasso on lead vocals, guitar, banjo, ukulele, harmonica, and kazoo, Casey Laforet on guitar, lead vocals, backing vocals, bass pedals, keys, and ukulele, and Stephen Pitkin on percussion, sampler, and backing vocals.
 The band's style has been categorized as "death country", "frontier rock", or "revival music".
The Volebeats are an Alternative Country band from Detroit, Michigan.
 Formed in Hamtramck, Michigan in 1988, the Volebeats were started as an acoustic outfit by Matthew Smith, Jeff Oakes, Al Oakes and Terry Rohm.
 The band was part of the roots revival in the 1980s that would become known as the Alternative Country movement, releasing several tracks and a single on Chicago's Bloodshot Records.
 The band was featured in Steve Martin's 2005 film "Shopgirl" and was hailed by Ryan Adams as “the best band in America".
Terminal Cool is an anthology album from alternative rock group, The Stems, released in Australia on 26 June 2005 and in the United States on 6 December that year.
 It is a collection of the band's recordings between 1983 and 1985.
 It includes four tracks: "Terminal Cool", "Sad Girl" (a demo version) and "Spaceship", which were not included on a previous compilation album, "" (March 2003), although it omits "Power of Love".
The Blue Chieftains were a New York City-based alternative country band formed by Tim Carroll, the band's singer-songwriter and guitarist.
 The band's other members were Mark Horn (drums), Stephen B. Antonakos (slide guitar and vocals), and Scott Yoder (bass).
 The band was active for five years before breaking up in 1993, during which time they played about 200 shows.
 The band never released a studio album of their own.
 Their studio contributions were limited to some tracks they contributed to three "Rig Rock" compilation albums, as well as two of their own singles, all of which were released on Diesel Only Records.
 In 2002, the band released a live album entitled "That's All" on Real-O-Mind Records.
 This album contains 18 lo-fi recordings of the band playing at a May 1997 reunion show at Coney Island High in New York.
Jeffrey Scot Tweedy (born August 25, 1967) is an American songwriter, musician, and record producer best known as the singer and guitarist of the band Wilco.
 Tweedy, originally from Belleville, Illinois, started his music career in high school in his band The Plebes with Jay Farrar, which subsequently after several years formed into the alternative country band Uncle Tupelo.
 After Uncle Tupelo's fourth studio album, the band broke up in 1994 due to conflict between Tweedy and Farrar, prompting Tweedy to form Wilco, with Farrar forming the band Son Volt.
 Wilco's first album "A.M.", released in 1995, received mixed reviews from critics, though Wilco later found critical and commercial success on their later albums, most notably with "Yankee Hotel Foxtrot" and "A Ghost Is Born", the latter of which received a Grammy for Best Alternative Album in 2005.
 Across Tweedy's career he has released fifteen studio albums, including four with Uncle Tupelo, ten with Wilco, and one with his son Spencer, along with numerous collaborations with other musicians, most notably "Mermaid Avenue" with Billy Bragg.