Question: Which type of musician were both Charles Henry Christian and John Leslie "Wes" Montgomery?

Context paragraphs:
Talk Dirty to Me (film series): Talk Dirty to Me is a pornographic movie series of 15 films running from 1980 until 2003.  Anthony Spinelli written and the direct the first film.  John Leslie starred in the first five films, playing the character "Jack".  Although, after the fifth film relevance to the original film and Leslie's character disappears.  Talk Dirty to Me Part III is notable for featuring Traci Lords in one her earliest roles.  The original movie Talk Dirty to Me also generated a spin-off called Nothing to Hide (1981), starring John Leslie and Richard Pacheco, playing their characters Jack and Lenny.  "Nothing to Hide" was followed by two sequels Justine (1993) and Nothing to Hide 3 (1999).

Sir John Leslie, 1st Baronet: Sir John Leslie, 1st Baronet (16 December 1822 – 23 January 1916) was a Conservative Member of Parliament for Monaghan from 1871 to 1880.  He succeeded his elder brother, Charles Powell Leslie III, in that role.

Charlie Christian: Charles Henry Christian (July 29, 1916 – March 2, 1942) was an American swing and jazz guitarist.

John Leslie (director): John Leslie Nuzzo (January 25, 1945 – December 5, 2010) was an American pornographic film actor-director-producer.  Usually credited under the name John Leslie, he has also worked under a variety of pseudonyms, including John Leslie Dupre, Frederick Watson, and Lenny Lovely.

John Leslie, 1st Duke of Rothes: John Leslie (c. 1630 – 27 July 1681), son of John Leslie, 6th Earl of Rothes, was the 7th Earl of Rothes and 1st Duke of Rothes.  According to tradition, he was a descendant of Princess Beatrix, sister of King Malcolm III of Scotland.  His family had intermarried with both the Stuarts and the Bruces.

Charles Leslie (bishop): Charles Leslie (1810–1870) was briefly Church of Ireland Bishop of Kilmore, Elphin and Ardagh in 1870.  His father, John Leslie, was the first Bishop of the diocese.  Charles Leslie never actually moved into the See House, near Kilmore Cathedral, just north-west of Cavan Town.  He died at his home, Corravahan House, just outside Drung.

Monaghan by-election, 1871: The Monaghan by-election of 1871 was fought on 22 July 1871.  The byelection was fought due to the Death of the incumbent MP of the Conservative Party, Charles Powell Leslie III.  It was won by the Conservative candidate John Leslie.

Wes Montgomery: John Leslie "Wes" Montgomery (March 6, 1923 – June 15, 1968) was an American jazz guitarist.  He is widely considered one of the major jazz guitarists, emerging after such seminal figures as Django Reinhardt and Charlie Christian and influencing countless others.  Montgomery was known for an unusual technique of plucking the strings with the side of his thumb which granted him a distinctive sound.

John Leslie (TV presenter): John Leslie (born John Leslie Stott; 22 February 1965) is a Scottish former television and radio presenter.  Debuting on Music Box in 1987, he later presented BBC One's "Blue Peter", and ITV's "This Morning" and the gameshow "Wheel of Fortune".  He was also the studio host for the first series of the UK version of "Survivor".

John Foster (Australian politician): John Leslie Fitzgerald Vesey Foster (19 August 1818 – 3 January 1900), also known as John Leslie Foster-Vesey-Fitzgerald, was a politician in colonial New South Wales and Victoria (Australia).

Supporting paragraphs: Wes Montgomery Charlie Christian
Answer: jazz guitarist