diff --git a/src/test/keyutilstest.cpp b/src/test/keyutilstest.cpp
index d8fb1481073..02adce28a25 100644
--- a/src/test/keyutilstest.cpp
+++ b/src/test/keyutilstest.cpp
@@ -53,7 +53,7 @@ TEST_F(KeyUtilsTest, LancelotNotation) {
 
 TEST_F(KeyUtilsTest, KeyNameNotation) {
     // Invalid letter
-    // (actually valid in traditional german notation where B is H and Bb is B -
+    // (actually valid in traditional German notation where B is H and Bb is B -
     //  everyone confused?)
     EXPECT_EQ(mixxx::track::io::key::INVALID,
               KeyUtils::guessKeyFromText("H"));
@@ -142,6 +142,47 @@ TEST_F(KeyUtilsTest, KeyNameNotation) {
               KeyUtils::guessKeyFromText("cb"));
     EXPECT_EQ(mixxx::track::io::key::C_MINOR,
               KeyUtils::guessKeyFromText("b#"));
+
+    // Rapid Evolution test cases
+    EXPECT_EQ(mixxx::track::io::key::A_MINOR,
+            KeyUtils::guessKeyFromText("Am"));
+    EXPECT_EQ(mixxx::track::io::key::A_MINOR,
+            KeyUtils::guessKeyFromText("08A"));
+    EXPECT_EQ(mixxx::track::io::key::B_FLAT_MINOR,
+            KeyUtils::guessKeyFromText("A#m"));
+    EXPECT_EQ(mixxx::track::io::key::B_FLAT_MINOR,
+            KeyUtils::guessKeyFromText("Bbm"));
+    EXPECT_EQ(mixxx::track::io::key::A_MAJOR,
+            KeyUtils::guessKeyFromText("11B"));
+    EXPECT_EQ(mixxx::track::io::key::A_FLAT_MAJOR, // ionian
+            KeyUtils::guessKeyFromText("G#+50"));
+    EXPECT_EQ(mixxx::track::io::key::A_FLAT_MAJOR, // ionian
+            KeyUtils::guessKeyFromText("Ab +50"));
+    EXPECT_EQ(mixxx::track::io::key::A_FLAT_MAJOR, // ionian
+            KeyUtils::guessKeyFromText("Ab +50cents"));
+    EXPECT_EQ(mixxx::track::io::key::A_FLAT_MAJOR, // ionian
+            KeyUtils::guessKeyFromText("04B +50cents"));
+    EXPECT_EQ(mixxx::track::io::key::A_FLAT_MAJOR, // ionian
+            KeyUtils::guessKeyFromText("G#-50"));
+    EXPECT_EQ(mixxx::track::io::key::A_FLAT_MAJOR, // ionian
+            KeyUtils::guessKeyFromText("Ab -50"));
+    EXPECT_EQ(mixxx::track::io::key::A_FLAT_MAJOR, // ionian
+            KeyUtils::guessKeyFromText("Ab -50cents"));
+    EXPECT_EQ(mixxx::track::io::key::A_FLAT_MAJOR, // ionian
+            KeyUtils::guessKeyFromText("04B -50cents"));
+    EXPECT_EQ(mixxx::track::io::key::A_FLAT_MAJOR, // ionian
+            KeyUtils::guessKeyFromText("    4b    -50   cents    "));
+    // Mixxx does not allow this but Rapid Evolution
+    // EXPECT_EQ(mixxx::track::io::key::A_FLAT_MAJOR, // ionian
+    //          KeyUtils::guessKeyFromText("    g  #    -    50   cents    "));
+    // EXPECT_EQ(mixxx::track::io::key::A_FLAT_MAJOR, // ionian
+    //          KeyUtils::guessKeyFromText("    g  #    +    50   cents    "));
+    EXPECT_EQ(mixxx::track::io::key::INVALID, // ionian
+            KeyUtils::guessKeyFromText(" "));
+    EXPECT_EQ(mixxx::track::io::key::INVALID, // ionian
+            KeyUtils::guessKeyFromText(""));
+    EXPECT_EQ(mixxx::track::io::key::INVALID, // ionian
+            KeyUtils::guessKeyFromText("xyz"));
 }
 
 mixxx::track::io::key::ChromaticKey incrementKey(
diff --git a/src/track/keyutils.cpp b/src/track/keyutils.cpp
index 595ed75c18e..47083e625fe 100644
--- a/src/track/keyutils.cpp
+++ b/src/track/keyutils.cpp
@@ -17,7 +17,8 @@ using mixxx::track::io::key::ChromaticKey_IsValid;
 static const QString s_openKeyPattern("^\\s*(1[0-2]|[1-9])([dm])\\s*$");
 
 // Lancelot notation, the numbers 1-12 followed by a (minor) or b (major).
-static const QString s_lancelotKeyPattern("^\\s*(1[0-2]|[1-9])([ab])\\s*$");
+// This is also used to detect RapidEvolution Key Code format using a padding "0"
+static const QString s_lancelotKeyPattern("^\\s*0*(1[0-2]|[1-9])([ab])\\s*$");
 
 // a-g followed by any number of sharps or flats, optionally followed by
 // a scale spec (m = minor, min, maj)
@@ -248,7 +249,14 @@ QString KeyUtils::getGlobalKeyText(const Keys& keys, KeyNotation notation) {
 
 // static
 ChromaticKey KeyUtils::guessKeyFromText(const QString& text) {
-    QString trimmed = text.trimmed();
+    // Remove Shift (Tuning) Information used by Rapid Evolution like: "A#m +50";
+    int shiftStart = text.indexOf('+');
+    if (shiftStart < 0) {
+        shiftStart = text.indexOf('-');
+    }
+    const QString trimmed =
+            shiftStart >= 0 ? text.left(shiftStart).trimmed() : text.trimmed();
+
     if (trimmed.isEmpty()) {
         return mixxx::track::io::key::INVALID;
     }
diff --git a/src/track/track.cpp b/src/track/track.cpp
index f4acaaa54ff..68c30e805e1 100644
--- a/src/track/track.cpp
+++ b/src/track/track.cpp
@@ -151,9 +151,9 @@ void Track::importMetadata(
         // overwriting with an inconsistent value. The bpm must always be
         // set together with the beat grid and the key text must be parsed
         // and validated.
-        const auto importedBpm = importedMetadata.getTrackInfo().getBpm();
+        const mixxx::Bpm importedBpm = importedMetadata.getTrackInfo().getBpm();
         importedMetadata.refTrackInfo().setBpm(getBpmWhileLocked());
-        const auto importedKeyText = importedMetadata.getTrackInfo().getKey();
+        const QString importedKeyText = importedMetadata.getTrackInfo().getKey();
         importedMetadata.refTrackInfo().setKey(m_record.getMetadata().getTrackInfo().getKey());
 
         bool modified = false;