======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '438'
                                          'artist'  'Motorpsycho'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'Kill Devil Hills'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'norwegian', 'alternative', 'psychedelic', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '106.419'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'8\x00+\x009\x006\x00+\x006\x00C\x001\x008\x00+\x00A\x00C\x005\x00F\x00+\x00E\x006\x002\x009\x00+\x001\x006\x006\x00B\x00F\x00+\x001\x00C\x004\x00E\x003\x00+\x002\x002\x00A\x00D\x009\x00+\x002\x007\x008\x006\x000\x00+\x002\x00E\x005\x00F\x005\x00\x00\x00')
'PRIV:AverageLevel:{\x1b\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1b\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\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)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '106.419'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Kill Devil Hills'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '438906'
'TPE1' (Lead performer(s)/Soloist(s))               'Motorpsycho'
'TRCK' (Track number/Position in set)               '4'
'TSOP' (Performer sort order)                       'Motorpsycho'
'TXXX:Artists'                                      'Motorpsycho'
'TXXX:MusicBrainz Artist Id'                        '5d0764c8-b14a-47fb-adc7-2ba9fb5f0d76'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'norwegian', 'alternative', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.72 dB'
'TXXX:replaygain_track_peak'                        '0.364971'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd8aadde6-bc10-4744-b5ef-bde2ba413fce')

========================== row from database ==========================
                                              'id'  1409235
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Motorpsycho/Black hole (2006)/04 Kill devil hills.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  438
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  17544596
                                           'mtime'  1620736586
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Black hole (2006) 04 devil hills rock cppex psychedelic
                                      'tag_artist'  Motorpsycho
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Kill Devil Hills
                                             'bpm'  106.419
                                    'search_title'  'devil':2 'hills':3 'kill':1
                                   'search_artist'  'motorpsycho':1
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '2006':4,5 'black':2 'classicprogpsy':1 'cppex':9 'devil':6 'hills':7 'hole':3 'psychedelic':10 'rock':8
                                    'search_combo'  '2006':13,14 'album':6C 'black':11 'classicprogpsy':10 'cppex':18 'devil':2A,15 'hills':3A,16 'hole':12 'kill':1A 'motorpsycho':4B 'non':5C 'nonalbum':7C 'psychedelic':19 'rock':17 'tracks':8C,9C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'norwegian', 'alternative', 'psychedelic', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736585.6961942  (2021-05-11 14:36:25)
                             'size'  17544596