Question: What do the Crash Test Dummies and The Nymphs have in common with each other?

Context paragraphs:
Promised Land (Crash Test Dummies song): "Promised Land" is a collaboration between producer/composer Marc Mysterio, rock band Crash Test Dummies and Mark Crozer meant to honor and benefit the refugees now descending upon Europe.  Mysterio and Crash Test Dummies previously collaborated in March 2015, when Mysterio released a remix of the band's 1993 hit Mmm Mmm Mmm Mmm.

Crash Test Dummies: The Crash Test Dummies are a Canadian rock band from Winnipeg, Manitoba.

The Nymphs: The Nymphs was an alternative rock band of the late 1980s and early 1990s with lead singer Inger Lorre.  The band was signed to Geffen Records, and released their only album in 1991.  The Nymphs were known for their wild stage shows and their rebellious attitude towards record companies.  The band formed in 1985 and broke up in 1992.

Headline News (song): "Headline News" is a parody song by "Weird Al" Yankovic.  It is a parody of the Crash Test Dummies's 1993 hit "Mmm Mmm Mmm Mmm".  It was released as the lead-off single for the compilation box set "" on September 27, 1994.  The song was written after Yankovic's label insisted he craft a new song to promote the album; Yankovic in turn combined the music of the Crash Test Dummies' song with three news stories that were popular in late 1993 and early 1994.

The Best of Crash Test Dummies: The Best of Crash Test Dummies is a 2007 compilation album by the Crash Test Dummies.  It is released by Sony BMG and it includes songs from both the band's BMG and independent releases.  It was released on  1, 2007 (2007--) and re-released on March 10, 2008 with the inclusion of two previously unreleased tracks.  The re-release carries a slightly different title of, "Best Of Crash Test Dummies - Collections".

A Lump of Coal: A Lump of Coal is an Australian compilation album of Christmas music produced in 1991 by Dead Line Records (Australia) and First Warning Records (U.S.) for RCA Records.  While most of the artists from this disc remain unknown to most, Hoodoo Gurus, Crash Test Dummies, The Wedding Present, The Primitives, and Henry Rollins have all produced well-known albums and many of the other artists are popular amongst rock fans.

I Don't Care That You Don't Mind: I Don't Care That You Don't Mind is the fifth studio album by Crash Test Dummies.  The album began as a solo album for Brad Roberts, while he was recuperating in the town of Argyle, Nova Scotia after suffering a near-fatal car accident in September 2000.  Crash Test Dummies' name was put on the album after the band (minus Benjamin Darvill) agreed to tour the album.

Crash test dummy: A crash test dummy is a full-scale anthropomorphic test device (ATD) that simulates the dimensions, weight proportions and articulation of the human body, and is usually instrumented to record data about the dynamic behavior of the ATD in simulated vehicle impacts.  The Crash Test Dummy is widely used by researchers and automobile companies to predict the biomechanics, force, impact, and injury of a human being in an automobile crash.  This data can include variables such as velocity of impact, crushing force, bending, folding, or torque of the body, and deceleration rates during a collision for use in crash tests.  The more advanced dummies are sophisticated machines designed to behave as a human body and with many sensors to record the forces of an impact; they may cost over US$400,000.

Crash Test Dude: Crash Test Dude: Brad Roberts Live Singing Your Favorite Hits is a live album performed by Crash Test Dummies lead singer Brad Roberts during his solo acoustic tour following the Give Yourself a Hand tour.  The album was released, along with an accompanying rockumentary film, exclusively through the MapleMusic.com e-commerce portal.

Crash Dummy vs The Evil D-Troit: Crash Dummy vs. the Evil D-Troit is an action game developed by Italian developers Twelve Interactive for the Wii and PlayStation Portable.  The game is based upon the crash test dummies used in vehicle safety inspections.

Supporting paragraphs: Crash Test Dummies The Nymphs
Answer: rock band