diff --git a/deployments/datahub/images/default/apt.txt b/deployments/datahub/images/default/apt.txt
index 95bb93c9b..870dfaee0 100644
--- a/deployments/datahub/images/default/apt.txt
+++ b/deployments/datahub/images/default/apt.txt
@@ -61,3 +61,7 @@ libudunits2-dev
 
 # Used by littler for IRkernel::installspec
 libzmq5
+
+# MUSIC 30: musescore3
+# https://github.com/berkeley-dsep-infra/datahub/issues/5047
+musescore3
diff --git a/deployments/datahub/images/default/environment.yml b/deployments/datahub/images/default/environment.yml
index f17ff35a4..b098a4549 100644
--- a/deployments/datahub/images/default/environment.yml
+++ b/deployments/datahub/images/default/environment.yml
@@ -3,7 +3,8 @@
 # pip uses https://peps.python.org/pep-0440/ which does not have =.
 
 dependencies:
-- nodejs=15.*
+- nodejs=16.*
+- traitlets=5.9.*
 - pip=22.2.*
 - python=3.9.*
 
@@ -84,6 +85,9 @@ dependencies:
 # UGBA88 Fall 2023, https://github.com/berkeley-dsep-infra/datahub/issues/5019
 - pymysql==1.1.0
 
+# MUSIC 30, https://github.com/berkeley-dsep-infra/datahub/issues/5047
+- music21==8.3.0
+
 - pip:
   # Econ 148, Spring 2023 https://github.com/berkeley-dsep-infra/datahub/issues/4093
   - pycountry-convert==0.7.2