======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '68'
                                          'artist'  'Tod Dockstader'
                                     'text_people'  ''
                                         'release'  'Recorded Music for Film, Radio & Television: Electronic'
                                           'title'  'Binary Song'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['contemporary classical', 'electronic', 'avant garde', 'experimental', "
 "'musique concrete']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '23'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '135.8'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x007\x00+\x009\x006\x00+\x001\x00C\x007\x00D\x00+\x004\x005\x00E\x001\x00+\x005\x00F\x000\x003\x00+\x007\x003\x001\x00A\x00+\x008\x00B\x00D\x00F\x00+\x00A\x003\x009\x008\x00+\x00D\x008\x007\x008\x00+\x00E\x00C\x008\x00D\x00+\x001\x000\x007\x002\x008\x00+\x001\x002\x00D\x005\x008\x00+\x001\x004\x00E\x00E\x006\x00+\x001\x007\x007\x003\x009\x00+\x001\x00A\x009\x006\x001\x00+\x001\x00C\x008\x007\x009\x00+\x001\x00F\x002\x00C\x001\x00+\x002\x000\x00F\x00C\x006\x00+\x002\x003\x00D\x00D\x001\x00+\x002\x005\x00A\x003\x000\x00+\x002\x007\x00C\x00A\x007\x00+\x002\x009\x007\x002\x00C\x00+\x002\x00B\x001\x003\x002\x00+\x002\x00D\x002\x00A\x000\x00+\x002\x00E\x00E\x00B\x000\x00\x00\x00')
'PRIV:AverageLevel:{\x15\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x15\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/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Recorded Music for Film, Radio & Television: Electronic'
'TBPM' (BPM (beats per minute))                     '135.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '1981'
'TDRC' (Recording time)                             '2006-10-27'
'TIT2' (Title/songname/content description)         'Binary Song'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '68573'
'TMED' (Media type)                                 'CD-R'
'TPE1' (Lead performer(s)/Soloist(s))               'Tod Dockstader'
'TPE2' (Band/orchestra/accompaniment)               'Tod Dockstader'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Creel Pone'
'TRCK' (Track number/Position in set)               '4/23'
'TSO2'                                              'Dockstader, Tod'
'TSOP' (Performer sort order)                       'Dockstader, Tod'
'TXXX:Artists'                                      'Tod Dockstader'
'TXXX:CATALOGNUMBER'                                '62'
'TXXX:MusicBrainz Album Artist Id'                  'a80175ee-6a9e-4bc4-b009-1bc48ac2cb13'
'TXXX:MusicBrainz Album Id'                         '5086eae9-ee38-3b6a-a0da-7651026dba00'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a80175ee-6a9e-4bc4-b009-1bc48ac2cb13'
'TXXX:MusicBrainz Release Group Id'                 '8e572ab8-8944-33a9-8604-23ce490b99eb'
'TXXX:MusicBrainz Release Track Id'                 '40afaf7a-9de9-3d02-94d5-b68bd41d0a2f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['contemporary classical',
 'electronic',
 'avant garde',
 'experimental',
 'musique concrete']
'TXXX:originalyear'                                 '1981'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.04 dB'
'TXXX:replaygain_track_peak'                        '0.304228'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8102bd25-d585-4fe7-a505-1a7fd995eb58')

========================== row from database ==========================
                                              'id'  1372096
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Tod Dockstader - Electronic [sbh 3082]/04 - Binary Song.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  68
                                           'genre'  electronic
                                        'filesize'  2744852
                                           'mtime'  1636913517
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer [sbh 3082] 04 electronic
                                      'tag_artist'  Tod Dockstader
                                     'tag_release'  Recorded Music for Film, Radio & Television: Electronic
                                       'tag_title'  Binary Song
                                             'bpm'  135.8
                                    'search_title'  'binary':1 'song':2
                                   'search_artist'  'dockstader':2 'tod':1
                                  'search_release'  'electronic':9 'film':4,5 'for':3 'music':2 'radio':6 'recorded':1 'television':7,8
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '3082':5,6 'electronic':7 'sbh':3,4
                                    'search_combo'  '00calmer':15 '00poprockelectronic':14 '3082':18,19 'binary':1A 'dockstader':4B 'electronic':13C,20 'film':8C,9C 'for':7C 'music':6C 'radio':10C 'recorded':5C 'sbh':16,17 'song':2A 'television':11C,12C 'tod':3B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'electronic', 'avant garde', 'experimental', 'musique concrete']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913516.7943563  (2021-11-14 19:11:56)
                             'size'  2744852