Question: The Delgados and Morphine, have which genre in common?

Context paragraphs:
Biblical genre: A Biblical genre is a classification of Bible literature according to literary genre.  The genre of a particular Bible passage is ordinarily identified by analysis of its general writing style, tone, form, structure, literary technique, content, design, and related linguistic factors; texts that exhibit a common set of literary features (very often in keeping with the writing styles of the times in which they were written) are together considered to be belonging to a genre.  In Biblical studies, genres are usually associated with whole books of the Bible, because each of its books comprises a complete textual unit; however, a book may be internally composed of a variety of styles, forms, and so forth, and thus bear the characteristics of more than one genre (for example, chapter 1 of the Book of Revelation is prophetic/visionary; chapters 2 and 3 are similar to the epistle genre; etc.).

Pseudomorphine: Pseudomorphine (also known as oxydimorphine or dehydromorphine) is an inactive, natural dimerisation product of the morphine molecule in tandem and thus a common impurity in morphine concentrations.  It was first described by Pelletier in 1835.

Morphine (band): Morphine was an American alternative rock group formed by Mark Sandman, Dana Colley, and Jerome Deupree in Cambridge, Massachusetts in 1989.  After five successful albums and extensive touring, they disbanded in 1999 after frontman Sandman died of a heart attack.  Founding members have reformed into the band Vapors of Morphine, maintaining much of the original style and sound.

Northern (genre): The Northern or Northwestern is a genre in various arts which tell stories set primarily in the later half of the 19th century in the north of North America, primarily in Canada but also in Alaska.  It is similar to the Western genre but many elements are different, as appropriate to its setting.  It is common for central character to be a Mountie instead of, for example, a cowboy or sheriff.  Other common characters include fur trappers and traders, lumberjacks, prospectors, First Nations people, settlers and townsfolk.

Genre painting: Genre painting, also called genre scene or petit genre, depicts aspects of everyday life by portraying ordinary people engaged in common activities.  One common definition of a genre scene is that it shows figures to whom no identity can be attached either individually or collectively—thus distinguishing "petit genre" from history paintings (also called "grand genre") and portraits.  A work would often be considered as a genre work even if it could be shown that the artist had used a known person—a member of his family, say—as a model.  In this case it would depend on whether the work was likely to have been intended by the artist to be perceived as a portrait—sometimes a subjective question.  The depictions can be realistic, imagined, or romanticized by the artist.  Because of their familiar and frequently sentimental subject matter, genre paintings have often proven popular with the bourgeoisie, or middle class.

The Delgados: The Delgados were a Scottish indie rock band from Motherwell, North Lanarkshire.  The band was composed of Alun Woodward (vocals, guitar), Emma Pollock (vocals, guitar), Stewart Henderson (bass), and Paul Savage (drums).

Peter Sawyer: Peter Sawyer (fl.  1850-1866) was an American thief and robber in New York City during the 1860s.  A native of California, Sawyer appeared in New York's Forth Ward and the waterfront in the years following the American Civil War.  He is credited as being the first criminal to drug victims for the purposes of mugging them.  Although sailors' homes and crimp houses had previously been using "knock-out drops" and "slipping mickeys" to shanghai sailors, Sawyer was the first to make effective use for armed robbery.  At first, Sawyer used simple snuff which he dropped into the victim's alcohol but perfected the practice later on with chloral hydrate.  This was the drug of choice, with exception to the occasional use of morphine, preferred by those who followed Sawyer in similar robberies.  Indeed, the practice became so common in the city that these men were referred to as "Peter Players" by the police and underworld alike.

Nalmexone: Nalmexone (INN) (code names EN-1620A, UM-592), or nalmexone hydrochloride (USAN), is a semisynthetic, opioid partial agonist or mixed agonist-antagonist with both analgesic and narcotic antagonist properties that was never marketed.  In clinical studies it was found to have comparable analgesic efficacy to morphine, though with several-fold reduced potency.  In addition, nalmexone's side effects, the most common of which were sleepiness and sweating, were reported to be similar to those of morphine, albeit with a noticeably higher degree of incidence.

Piminodine: Piminodine (Alvodine) is an opioid analgesic that is an analogue of pethidine (meperidine).  It was used in medicine briefly during the 1960s and 70s, but has largely fallen out of clinical use.  It was used particularly for obstetric analgesia and in dental procedures and, like pethidine, could be combined with hydroxyzine to intensify the effects.  The duration of action is 2 to 4 hours and 7.5 to 10 mg via the subcutaneous route is the most common starting dose, being equal to 80 to 100 mg of pethidine, 40 to 60 mg of alphaprodine and 10 mg of morphine.  Oral formulations were also available.

Brompton cocktail: Brompton cocktail — sometimes called a Brompton mixture, Brompton's cocktail — is an elixir meant for use as a pain suppressant, and dosed for prophylaxis.  Made from morphine or diacetylmorphine (heroin), cocaine, highly-pure ethyl alcohol (some recipes specify gin), and sometimes with chlorpromazine (Thorazine) to counteract nausea, it was given to terminally-ill individuals (especially cancer patients) to relieve pain and promote sociability near death.  A common formulation included "a variable amount of morphine, 10 mg of cocaine, 2.5 mL of 98% ethyl alcohol, 5 mL of syrup BP and a variable amount of chloroform water."

Supporting paragraphs: The Delgados Morphine (band)
Answer: rock