======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '184'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'Choubi Choubi! Folk and Pop Sounds from Iraq'
                                           'title'  '[Untitled Track]'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['trance', 'jazz', 'electronic', 'techno', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-m-iraq'
                                             'bpm'  '85.0'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x000\x00+\x009\x006\x00+\x003\x006\x005\x008\x00+\x004\x001\x007\x00D\x00+\x007\x008\x008\x006\x00+\x00B\x00D\x001\x00A\x00+\x00F\x00E\x001\x009\x00+\x001\x006\x005\x004\x005\x00+\x001\x009\x008\x00D\x002\x00+\x001\x00E\x00E\x004\x00E\x00+\x002\x003\x000\x003\x00D\x00+\x002\x008\x00C\x003\x00B\x00+\x002\x00C\x002\x007\x000\x00+\x003\x000\x00B\x00E\x007\x00+\x003\x004\x001\x00E\x001\x00+\x003\x00A\x00C\x008\x002\x00+\x003\x00D\x007\x008\x007\x00+\x004\x000\x006\x00A\x004\x00\x00\x00')
'PRIV:AverageLevel:{\x1a\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1a\x00\x00')
'PRIV:PeakValue:¡{\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1{\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x009\x001\x004\x004\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x003\x008\x007\x004\x001\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x009\x001\x004\x004\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x003\x008\x007\x004\x001\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x81¼Ý{}×ðA¶ìÛØ\x95ëÙ\x9b'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x81\xbc\xdd{}\xd7\xf0A\xb6\xec\xdb\xd8\x95\xeb\xd9\x9b')
'PRIV:WM/WMCollectionID:\x81¼Ý{}×ðA¶ìÛØ\x95ëÙ\x9b'  PRIV(owner='WM/WMCollectionID', data=b'\x81\xbc\xdd{}\xd7\xf0A\xb6\xec\xdb\xd8\x95\xeb\xd9\x9b')
'PRIV:WM/WMContentID:\x9a:v½Í\x14¸@\x823>Ëß\x05\x01a'  PRIV(owner='WM/WMContentID', data=b'\x9a:v\xbd\xcd\x14\xb8@\x823>\xcb\xdf\x05\x01a')
'TALB' (Album/Movie/Show title)                     'Choubi Choubi! Folk and Pop Sounds from Iraq'
'TBPM' (BPM (beats per minute))                     '85.0'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-iraq'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         '[Untitled Track]'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '185026'
'TPE1' (Lead performer(s)/Soloist(s))               'Various Artists'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Sublime Frequencies'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['trance', 'jazz', 'electronic', 'techno', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.290870'

========================== row from database ==========================
                                              'id'  727024
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/sf025 - choubi choubi! folk and pop sounds from iraq/11 [untitled track].mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  184
                                           'genre'  loc-m-iraq
                                        'filesize'  7399004
                                           'mtime'  1621626214
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm sf025 choubi choubi! folk pop sounds iraq 11 [untitled track] loc iraq
                                      'tag_artist'  Various Artists
                                     'tag_release'  Choubi Choubi! Folk and Pop Sounds from Iraq
                                       'tag_title'  [Untitled Track]
                                             'bpm'  85.0
                                    'search_title'  'track':3,4 'untitled':1,2
                                   'search_artist'  'artists':2 'various':1
                                  'search_release'  'and':4 'choubi':1,2 'folk':3 'from':7 'iraq':8 'pop':5 'sounds':6
                                     'search_rest'  'choubi':2,3 'folk':4 'iraq':7 'loc':12 'pop':5 'sf025':1 'sounds':6 'track':10,11 'untitled':8,9
                                    'search_combo'  'and':8C 'choubi':5C,6C,14,15 'folk':7C,16 'from':11C 'iraq':12C,19 'loc':24 'pop':9C,17 'sf025':13 'sounds':10C,18 'track':3A,4A,22,23 'untitled':1A,2A,20,21
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'jazz', 'electronic', 'techno', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626214.35794  (2021-05-21 21:43:34)
                             'size'  7399004