diff --git a/Sourcecode/include/mx/api/PitchData.h b/Sourcecode/include/mx/api/PitchData.h
index 03a776a7d..ee8441b4e 100644
--- a/Sourcecode/include/mx/api/PitchData.h
+++ b/Sourcecode/include/mx/api/PitchData.h
@@ -69,6 +69,32 @@ namespace mx
             // default construction is middle c (c4)
             PitchData();
 
+            constexpr explicit PitchData(
+                Step inStep,
+                int inAlter = 0,
+                int inOctave = 4,
+                Accidental inAccidental = Accidental::none,
+
+                // less-often used params last
+                double inCents = 0.0,
+                bool inIsAccidentalParenthetical = false,
+                bool inIsAccidentalCautionary = false,
+                bool inIsAccidentalEditorial = false,
+                bool inIsAccidentalBracketed = false
+            )
+            : step{ inStep }
+            , alter{ inAlter }
+            , cents{ inCents }
+            , accidental{ inAccidental }
+            , isAccidentalParenthetical{ inIsAccidentalParenthetical }
+            , isAccidentalCautionary{ inIsAccidentalCautionary }
+            , isAccidentalEditorial{ inIsAccidentalEditorial }
+            , isAccidentalBracketed{ inIsAccidentalBracketed }
+            , octave{ inOctave }
+            {
+
+            }
+
             // the note name. i.e. c, d, e, f, g, a, b
             Step step;
 
@@ -82,8 +108,8 @@ namespace mx
             // additional alteration to the sounding pitch (in hundredths of a semitone). the MusicXML alter value is
             // a floating point number to facilitate microtonal music. however for mx::api we wanted the simplicity of
             // dealing with integrals for the more common case on non-microtonal music. in order to still support
-            // microtones without resording to a floating-point alter value, we break out microtonal adjustments to a
-            // separate 'cents' field, which will be addeded to the alter integral:
+            // microtones without resorting to a floating-point alter value, we break out microtonal adjustments to a
+            // separate 'cents' field, which will be added to the alter integral:
             // <alter> = (double)alter + (cents / 100.0)
             double cents;
 
diff --git a/Sourcecode/private/mx/api/PitchData.cpp b/Sourcecode/private/mx/api/PitchData.cpp
index b253f7779..078dad7b6 100644
--- a/Sourcecode/private/mx/api/PitchData.cpp
+++ b/Sourcecode/private/mx/api/PitchData.cpp
@@ -9,20 +9,11 @@ namespace mx
     namespace api
     {
         PitchData::PitchData()
-        : step{ Step::c }
-        , alter{ 0 }
-        , cents{ 0.0 }
-        , accidental{Accidental::none}
-        , isAccidentalParenthetical{ false }
-        , isAccidentalCautionary{ false }
-        , isAccidentalEditorial{ false }
-        , isAccidentalBracketed{ false }
-        , octave{ 4 }
+        : PitchData{ Step::c }
         {
             
         }
-        
-        
+
         void PitchData::showAccidental()
         {
             switch( alter )
diff --git a/Sourcecode/private/mxtest/api/PitchDataTest.cpp b/Sourcecode/private/mxtest/api/PitchDataTest.cpp
index 7b858cf8e..7b975a6c1 100644
--- a/Sourcecode/private/mxtest/api/PitchDataTest.cpp
+++ b/Sourcecode/private/mxtest/api/PitchDataTest.cpp
@@ -29,6 +29,8 @@
 #include "mx/core/elements/Pedal.h"
 #include "ezxml/ezxml.h"
 
+#include <unordered_map>
+
 using namespace std;
 using namespace mx::api;
 
@@ -271,4 +273,32 @@ TEST( CrazyEdgeCase2, PitchData )
 }
 T_END;
 
+namespace
+{
+    struct PitchHash
+    {
+        constexpr inline size_t operator()(const mx::api::PitchData& p) const {
+            size_t h1 = size_t(p.step) << 32;
+            size_t h2 = size_t(p.alter);
+            return h1 ^ h2;
+        }
+    };
+}
+
+TEST( ConstructorTest, PitchData )
+{
+    // duplicate the feature request from https://github.com/webern/mx/issues/69
+    std::unordered_map<mx::api::PitchData, int, PitchHash> root_to_key_circle {
+        { PitchData{ Step::f, 0, 4 }, -1 },
+        { PitchData{ Step::c, 0, 4 }, 0 },
+        { PitchData{ Step::g, 0, 4 }, 1 },
+    };
+
+    PitchData g{ Step::g };
+    const auto find_iter = root_to_key_circle.find( g );
+    REQUIRE( find_iter != std::cend( root_to_key_circle ) );
+    CHECK_EQUAL( 1, find_iter->second );
+}
+T_END;
+
 #endif
diff --git a/Sourcecode/private/mxtest/import/ExpectedFiles.cpp b/Sourcecode/private/mxtest/import/ExpectedFiles.cpp
index 00f1b749d..e488f585a 100755
--- a/Sourcecode/private/mxtest/import/ExpectedFiles.cpp
+++ b/Sourcecode/private/mxtest/import/ExpectedFiles.cpp
@@ -299,7 +299,7 @@ namespace mxtest
             {
                 for( auto qIter = q.begin(); qIter != q.end(); ++qIter )
                 {
-                    if( qIter->wait_for( std::chrono::milliseconds(0) ) == std::future_status::ready )
+                    if( qIter->wait_for( std::chrono::milliseconds(2) ) == std::future_status::ready )
                     {
                         qIter->wait();
                         q.erase( qIter );
@@ -311,17 +311,17 @@ namespace mxtest
             q.push_front( std::move( fut ) );
         }
         
-        while( q.empty() )
+        while( !q.empty() )
         {
             for( auto qIter = q.begin(); qIter != q.end(); ++qIter )
             {
-                if( qIter->wait_for( std::chrono::milliseconds(0) ) == std::future_status::ready )
+                if( qIter->wait_for( std::chrono::milliseconds(10) ) == std::future_status::ready )
                 {
                     qIter->wait();
                     q.erase( qIter );
                     break;
                 }
-                std::this_thread::sleep_for( std::chrono::milliseconds(10) );
+                std::this_thread::sleep_for( std::chrono::milliseconds(50) );
             }
         }
         std::cout << "done" << std::endl;