Table:
Joni Mitchell
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Birth name	Roberta Joan Anderson
Also known as	Roberta Joan Mitchell
Joni Anderson
Born	(1943-11-07) November 7, 1943 (age 75)
Fort Macleod, Alberta, Canada
Genres

Folk
rock
jazz
pop

Occupation(s)

Singer-songwriter
painter

Instruments

Vocals
guitar
piano
dulcimer

Years active

1964–2002
2006–2007
2013

Labels

Reprise
Asylum
Geffen
Nonesuch
Hear Music

Associated acts

Crosby, Stills, Nash and Young
James Taylor
L.A. Express
Jaco Pastorius
Wayne Shorter
Herbie Hancock
Charles Mingus
Larry Klein
Thomas Dolby
David Crosby
Stephen Stills
Graham Nash
Robben Ford
Neil Young
The Band

Website	jonimitchell.com

Look at the table in the image and show any merged cells, specifying their locations with the JSON format of {'top-left':(X, Y), 'bottom-right':(Z, W)}, where X, Y, Z and W are indices (starting from 1) of the first row, the first column, the last row and the last column, respectively.

The merged cell area is: {'top-left':(1, 1), 'bottom-right':(1, 2)}.