diff --git a/Timeline/Engine/Audio_File.C b/Timeline/Engine/Audio_File.C
index 442af43..37fed10 100644
--- a/Timeline/Engine/Audio_File.C
+++ b/Timeline/Engine/Audio_File.C
@@ -55,6 +55,30 @@ Audio_File::all_supported_formats ( std::list <const char *> &formats )
         formats.push_back( fd->name );
 }
 
+static bool
+is_absolute ( const char *name )
+{
+    return *name == '/';
+}
+
+/** return a static pointer to /name/ corrected for relative path. */
+const char *Audio_File::realname ( const char *name )
+{
+    static char rname[512];
+
+    if ( is_absolute( name ) )
+        strncpy( rname, name, sizeof( rname ) );
+    else
+        snprintf( rname, sizeof( rname ), "sources/%s", name );
+
+    return rname;
+}
+
+const char *
+Audio_File::filename ( void ) const
+{
+    return realname( _filename );
+}
 
 /** attmpet to open any supported filetype */
 Audio_File *
diff --git a/Timeline/Engine/Audio_File.H b/Timeline/Engine/Audio_File.H
index 746975a..09b42ca 100644
--- a/Timeline/Engine/Audio_File.H
+++ b/Timeline/Engine/Audio_File.H
@@ -58,6 +58,8 @@ protected:
 
     static const format_desc * find_format ( const format_desc *fd, const char *name );
 
+    static const char *realname ( const char *name );
+
 public:
 
     Audio_File ( ) : _peaks( this )
@@ -75,7 +77,9 @@ public:
 
     static Audio_File *from_file ( const char *filename );
 
+
     Peaks const * peaks ( ) { return &_peaks; }
+    const char *filename ( void ) const;
     const char *name ( void ) const { return _filename; }
     nframes_t length ( void ) const  { return _length; }
     int channels ( void ) const { return _channels; }
diff --git a/Timeline/Engine/Audio_File_SF.C b/Timeline/Engine/Audio_File_SF.C
index 020a78f..d6f0187 100644
--- a/Timeline/Engine/Audio_File_SF.C
+++ b/Timeline/Engine/Audio_File_SF.C
@@ -61,7 +61,7 @@ Audio_File_SF::from_file ( const char *filename )
 
     memset( &si, 0, sizeof( si ) );
 
-    if ( ! ( in = sf_open( filename, SFM_READ, &si ) ) )
+    if ( ! ( in = sf_open( realname( filename ), SFM_READ, &si ) ) )
         return NULL;
 
 /*     if ( si.samplerate != timeline->sample_rate() ) */
@@ -110,7 +110,7 @@ Audio_File_SF::create ( const char *filename, nframes_t samplerate, int channels
     char *name;
     asprintf( &name, "%s.%s", filename, fd->extension );
 
-    if ( ! ( out = sf_open( name, SFM_WRITE, &si ) ) )
+    if ( ! ( out = sf_open( realname( name ), SFM_WRITE, &si ) ) )
     {
         printf( "couldn't create soundfile.\n" );
         free( name );
@@ -140,7 +140,7 @@ Audio_File_SF::open ( void )
 
     memset( &si, 0, sizeof( si ) );
 
-    if ( ! ( _in = sf_open( _filename, SFM_READ, &si ) ) )
+    if ( ! ( _in = sf_open( realname( _filename ), SFM_READ, &si ) ) )
         return false;
 
     _current_read = 0;
diff --git a/Timeline/Engine/Peaks.C b/Timeline/Engine/Peaks.C
index b244207..c61a28e 100644
--- a/Timeline/Engine/Peaks.C
+++ b/Timeline/Engine/Peaks.C
@@ -353,7 +353,7 @@ Peaks::ready ( nframes_t s, int npeaks, nframes_t chunksize ) const
 {
     Peakfile _peakfile;
 
-    if ( ! _peakfile.open( _clip->name(), _clip->channels(), chunksize ) )
+    if ( ! _peakfile.open( _clip->filename(), _clip->channels(), chunksize ) )
         return false;
 
     return _peakfile.ready( s, npeaks );
@@ -377,7 +377,7 @@ Peaks::read_peakfile_peaks ( Peak *peaks, nframes_t s, int npeaks, nframes_t chu
 
     Peakfile _peakfile;
 
-    if ( ! _peakfile.open( _clip->name(),  _clip->channels(), chunksize ) )
+    if ( ! _peakfile.open( _clip->filename(),  _clip->channels(), chunksize ) )
         return 0;
 
     return _peakfile.read_peaks( peaks, s, npeaks, chunksize );
@@ -465,7 +465,7 @@ Peaks::read_peaks ( nframes_t s, int npeaks, nframes_t chunksize ) const
 bool
 Peaks::current ( void ) const
 {
-    return ! newer( _clip->name(), peakname( _clip->name() ) );
+    return ! newer( _clip->filename(), peakname( _clip->filename() ) );
 }
 
 bool
@@ -507,7 +507,7 @@ Peaks::prepare_for_writing ( void )
 
     assert( ! _peak_writer );
 
-    _peak_writer = new Peaks::Streamer( _clip->name(), _clip->channels(), cache_minimum );
+    _peak_writer = new Peaks::Streamer( _clip->filename(), _clip->channels(), cache_minimum );
 }
 
 void
@@ -678,7 +678,7 @@ Peaks::Builder::make_peaks_mipmap ( void )
 
     Audio_File *_clip = _peaks->_clip;
 
-    const char *filename = _clip->name();
+    const char *filename = _clip->filename();
 
     FILE *rfp;
 
@@ -728,7 +728,7 @@ Peaks::Builder::make_peaks_mipmap ( void )
         /* open the peakfile for the previous cache level */
         pf.open( rfp, _clip->channels(), cs >> Peaks::cache_step );
 
-//        pf.open( _clip->name(), _clip->channels(), cs >> Peaks::cache_step );
+//        pf.open( _clip->filename(), _clip->channels(), cs >> Peaks::cache_step );
 
         write_block_header( cs );
 
@@ -758,7 +758,7 @@ Peaks::Builder::make_peaks ( void )
 {
     Audio_File *_clip = _peaks->_clip;
 
-    const char *filename = _clip->name();
+    const char *filename = _clip->filename();
 
     DMESSAGE( "building peaks for \"%s\"", filename );