diff --git a/.config/bash/module/Dvd.sh b/.config/bash/module/Dvd.sh
new file mode 100644
index 0000000..d5d5db8
--- /dev/null
+++ b/.config/bash/module/Dvd.sh
@@ -0,0 +1,61 @@
+# Burn specified files to DVD.
+# Usage: dvd_burn <FILES>
+function dvd_burn() {
+	if [[ "${*}" = "" ]]; then
+		help dvd_burn
+		return 2
+	fi
+
+	growisofs -use-the-force-luke=tty -Z /dev/sr0 -J -r -speed=8 -dvd-compat -pad -graft-points "${*}"
+}
+
+# Burn specified iso file to DVD.
+# Usage: dvd_burn_iso <FILE.iso>
+function dvd_burn_iso() {
+	local iso="${1}"
+	if [[ "${iso}" = "" ]]; then
+		help dvd_burn_iso
+		return 2
+	fi
+
+	growisofs -dvd-compat -speed=8 -use-the-force-luke=tty -Z /dev/sr0="${iso}"
+}
+
+# Burn specified files to CD.
+# Usage: cd_burn <FILES>
+function cd_burn() {
+	if [[ "${*}" = "" ]]; then
+		help cd_burn
+		return 2
+	fi
+
+	mkisofs -J -r -pad -graft-points "${*}" | cdrecord dev=1,1,0 speed=8 -
+}
+
+# Burn specified iso file to CD.
+# Usage: cd_burn_iso <FILE.iso>
+function cd_burn_iso() {
+	local iso="${1}"
+	if [[ "${iso}" = "" ]]; then
+		help cd_burn_iso
+		return 2
+	fi
+
+	wodim speed=8 -tao dev=/dev/sr0 "${iso}"
+}
+
+# Burn specified audio files to CD.
+# Usage: cd_burn_audio <FILES.wav>
+function cd_burn_audio() {
+	if [[ "${*}" = "" ]]; then
+		help cd_burn_audio
+		return 2
+	fi
+
+	cdrecord -v dev=/dev/sr0 speed=8 -audio -pad "${*}"
+}
+
+# Spawn Nix shell with required tools.
+function dvd_shell() {
+	NIX_SHELL="dvd" tmpshell dvdplusrwtools cdrkit
+}
diff --git a/.config/bash/module/Nix.sh b/.config/bash/module/Nix.sh
index 7e85c05..8a8f863 100644
--- a/.config/bash/module/Nix.sh
+++ b/.config/bash/module/Nix.sh
@@ -47,17 +47,20 @@ function nix_tmpshell() {
 	local IFS=$'\n'
 	local input=("${@}")
 	local pkgs=()
+	local tag="${NIX_SHELL}"
 
 	if [[ "${input}" = "" ]]; then
 		help nix_tmpshell
 		return 2
 	fi
 
+	[[ "${tag}" = "" ]] && tag="${1}"
+
 	for pkg in ${input[@]}; do
 		pkgs+=("nixpkgs#${pkg}")
 	done
 
-	NIX_SHELL="${1}" nix shell ${pkgs[@]}
+	NIX_SHELL="${tag}" nix shell ${pkgs[@]}
 }
 alias tmpshell="nix_tmpshell"