Meryl Streep can sing, period.

TIMESTAMPS
00:00 "I'll Remember You Love In My Prayers" - Secret Service (1977)
00:29 "Beautiful Soup" - Alice at the Palace (1981)
01:19 "Amazing Grace" - Silkwood (1983)
02:06 "He's Me Pal" - Ironweed (1987)
02:51 "You Don't Own Me" - Postcards From the Edge (1990)
03:44 "I'm Checkin Out" - Postcards From the Edge (1990)
04:59 "I See Me" - Death Becomes Her (1992)
06:07 "Sodomy" from Hair - Public Theater Gala Rehearsal (2006)
06:55 "Rain" - The Music of Regret (2006)
07:33 "My Minnesota Home" - A Prairie Home Companion (2006)
08:28 "Mamma Mia" - Mamma Mia! (2008)
09:34 "Slipping Through My Fingers" - Mamma Mia!
10:26 "The Winner Takes It All" - Mamma Mia! (2008)
11:33 "When You Wish Upon A Star" - Rainforest Fund Concert (2012)
12:03 "Stay With Me" - Into the Woods (2014)
13:05 "She'll Be Back" - Into the Woods (2014)
14:05 "Last Midnight" - Into the Woods (2014)
15:19 "When I Have Sung My Songs To You" - Florence Foster Jenkins (2016)
16:20 "My Love, My Life" - Mamma Mia! Here We Go Again (2018)
17:32 "Turning Turtle" - Mary Poppins Returns (2018)
18:34 "It's Not About Me" - The Prom (2020)
19:37 "The Lady's Improving" - The Prom (2020)
20:49 "Look For the Light" - Only Murders In The Building (2023)
21:48 "For The Sake of A Child" - Only Murders In The Building (2023)