diff --git a/mp3lame.sh b/mp3lame.sh
index a0b0e05..c084c5d 100755
--- a/mp3lame.sh
+++ b/mp3lame.sh
@@ -4,9 +4,11 @@ if [ "$#" = "0" ]; then
     exit 1
 fi
 
-while [ "$#" -gt 0 ]; do
-    echo "Processing $1 ($# more left)..."
-    #lame -m j --replaygain-fast --preset extreme -q 2 --vbr-new -V 2 -o --id3v2-only "$1" "$1.mp3"
-    lame -m j --replaygain-fast --vbr-new -V 2 -o --id3v2-only --resample 44.1 "$1" "$1.mp3"
-    shift
-done
+if [ -z "$CONCURRENCY_LEVEL" ]; then
+    CONCURRENCY_LEVEL=1
+fi
+
+echo "Processing using $CONCURRENCY_LEVEL processes..."
+find "$@" -print0 | xargs -0 -P $CONCURRENCY_LEVEL -n 1 -I {} lame -m j --replaygain-fast --vbr-new -V 2 -o --id3v2-only --resample 44.1 --quiet "{}" "{}.mp3"
+
+echo "All done."