Question: Which band has more constant members, Lilys or Ratatat?

Passages:
The Primitives are an English indie pop band from Coventry, best known for their 1988 international hit single "Crash".  Formed in 1984, disbanded in 1992 and reformed in 2009, the band's two constant members throughout their recording career have been vocalist Tracy Tracy and guitarist Paul Court.  Drummer Tig Williams has been a constant member since 1987 and the reformed line-up is completed by bassist Raph Moore.  Often described as an indie pop or indie rock band, The Primitives' musical style can also be seen as straddling power pop, new wave and pop punk. The Thumbs were a punk rock band from Baltimore, Maryland.  They were active from 1995 until approximately 2002.  They were known for having an intense touring ethic, having completed nine U.S. tours, and two Japanese tours between 1997 and 2001.  The band was formed by Mike Hall, Bobby Borte, and Mark Minnig, however Hall and Borte remained the only constant members amidst constant drummer changes. Ratatat ( ) is a Brooklyn-based electronic rock duo consisting of Mike Stroud (guitar, melodica, synthesizers, percussion) and producer Evan Mast (bass, synthesizers, percussion). The Leftovers, are a Brisbane punk rock group which formed in 1976 in Queensland, Australia.  Original band members were Warren Lamond on vocals, Ed Wreckage on guitar,Jim Shoebridge on guitar, Glenn Smith on bass guitar and Graeme ‘Hutch’ Hutchinson on drums.  Constant members of the original band (1976-1979) were Lamond and Smith, whilst other members were replaced at various times by a host of others including Michael Hiron, Johnny 'Burnaway' Gorman, Mal ' Malcontent' Skewis, David 'Dodo'Donald and Ed Wreckage's son, Ché Wreckage, who joined the group in 2012 along with Michael Gilmore.  The group existed from 1976 to 1979 with reformations in 1983 and 2012. The Nitty Gritty Dirt Band is an American country rock band that has existed in various forms since its founding in Long Beach, California in 1966.  The group's membership has had at least a dozen changes over the years, including a period from 1976 to 1981 when the band performed and recorded as the Dirt Band.  Constant members since the early times are singer-guitarist Jeff Hanna and drummer Jimmie Fadden.  Multi-instrumentalist John McEuen was with the band from 1966 to 1986 and returned during 2001.  Keyboardist Bob Carpenter joined the band in 1977.  The band is often cited as instrumental to the progression of contemporary country and roots music. The Melvins are an American rock band that formed in 1983 in Montesano, Washington.  They have mostly performed as a trio, as well as a quartet with two drummers in recent years.  Since 1984, vocalist and guitarist Buzz Osborne and drummer Dale Crover have been constant members.  The band was named after a supervisor at a Thriftway in Montesano, Washington, where Osborne also worked as a clerk.  "Melvin" was despised by other employees, and the band's members felt it to be an appropriately ridiculous name.  Their early work was key to the development of both grunge and sludge metal. Precollection is a 2003 album by Lilys released by Manifesto Records.  The album was recorded over two years by the band's only constant member Kurt Heasley with a new line-up of the band, which included producer Mike Musmanno on keyboards.  The album was reissued in 2004 on the Rainbow Quartz International label under the title "The Lilys", with different sleeve art and three bonus tracks.  Lyrical themes include "the acquisition of illegal substances" in the Hunting Park area of Philadelphia on "Will My Lord Be Gardening", which Heasley stated is "about loving someone after they get fucked up, I mean fucked...and that's fucked up," and his relationship with his children ("The Perception Room").  "Will My Lord Be Gardening" was included on the soundtrack of the 2005 film "Waiting...". Holopaw is an American indie band from Gainesville, Florida.  The band was named after the town of Holopaw in Osceola County, Florida, although none of the members of the band have ever lived there.  One of its members, John Orth, joined up with Modest Mouse frontman Isaac Brock and others in 2002 to release the album Sharpen Your Teeth under the band name Ugly Casanova.  Another member, Michael Johnson (Ape School), went on to join Kurt Heasley's Lilys. Brand X is a jazz fusion band, originally active between 1975–1980 and 1992–1999.  Noted members included John Goodsall (guitar), Percy Jones (bass), Robin Lumley (keyboards), Kenwood Dennard (drums) and Phil Collins (drums).  Goodsall and Jones were the sole constant members throughout the band's existence.  In 2016, Goodsall, Jones and Dennard reunited with new musicians Chris Clark on keyboards and Scott Weinberger on percussion. Lilys are an American indie rock band formed in Washington, D.C in 1988.  The only constant member is Kurt Heasley, with the line-up changing regularly.  Several of the band's tracks have been used in television advertisements, and the band's biggest hit was one of these, "A Nanny In Manhattan", which reached No. 16 in the UK after being used in a Levi's advertisement directed by Roman Coppola.

Supporting sentences:
Lilys are an American indie rock band formed in Washington, D.C in 1988.  The only constant member is Kurt Heasley, with the line-up changing regularly. Ratatat ( ) is a Brooklyn-based electronic rock duo consisting of Mike Stroud (guitar, melodica, synthesizers, percussion) and producer Evan Mast (bass, synthesizers, percussion).