Emmylou Harris discography
Collaborations
Table:
Year	Single	Artist	Peak chart positions	Album

US Country	US AAA	US AC	CAN Country	NED	NOR	AUS

1987	"To Know Him Is to Love Him"	Dolly Parton Linda Ronstadt	1	—	—	1	62	—	54	Trio

"Telling Me Lies"	3	—	35	6	—	—	—

"Those Memories of You"	5	—	—	1	—	—	—

1988	"Wildflowers"	6	—	8	—	—	—

1999	"High Sierra"	—	—	—	90	—	—	—	Trio II

"After the Gold Rush"	—	—	—	—	—	—	—

"For a Dancer"	Linda Ronstadt	—	—	—	—	—	—	—	Western Wall: The Tucson Sessions

2006	"This Is Us"	Mark Knopfler	—	5	—	—	—	17	—	All the Roadrunning

"—" denotes releases that did not chart

Examining the table that covers 'Emmylou Harris discography', section 'Collaborations', summarise the highlighted cells in a single sentence and provide it inside the JSON object {"answer": "YOUR ANSWER"}.