======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '153'
                                          'artist'  'The Doors'
                                     'text_people'  ''
                                         'release'  'When the Music Is Over'
                                           'title'  'The Crystal Ship'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '10'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '91.1'
                                             'key'  '7B'
                                        'acoustid'  '013c257e-eec9-4cbf-bb29-01a08e237b99'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'When the Music Is Over'
'TBPM' (BPM (beats per minute))                     '91.1'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'The Crystal Ship'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Doors'
'TPE2' (Band/orchestra/accompaniment)               'The Doors'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Magic Records'
'TRCK' (Track number/Position in set)               '9/10'
'TSO2'                                              'Doors, The'
'TSOP' (Performer sort order)                       'Doors, The'
'TXXX:Acoustid Id'                                  '013c257e-eec9-4cbf-bb29-01a08e237b99'
'TXXX:CATALOGNUMBER'                                'M 10-415'
'TXXX:MusicBrainz Album Artist Id'                  '9efff43b-3b29-4082-824e-bc82f646f93d'
'TXXX:MusicBrainz Album Id'                         'b269c766-22e2-4d6b-80b3-4a64aa35a0ea'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '9efff43b-3b29-4082-824e-bc82f646f93d'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.627233'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'59fdc91b-91a5-4dde-a059-c989e5b629d1')

========================== row from database ==========================
                                              'id'  1414334
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/The Doors - Doors/When The Music Is Over/Doors - Crystal Ship.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  153
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  2462165
                                           'mtime'  1620737139
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy rock cppex psychedelic
                                      'tag_artist'  The Doors
                                     'tag_release'  When the Music Is Over
                                       'tag_title'  The Crystal Ship
                                             'bpm'  91.1
                                    'search_title'  'crystal':2 'ship':3 'the':1
                                   'search_artist'  'doors':2 'the':1
                                  'search_release'  'is':4 'music':3 'over':5 'the':2 'when':1
                                     'search_rest'  'classicprogpsy':1 'cppex':3 'psychedelic':4 'rock':2
                                    'search_combo'  'classicprogpsy':11 'cppex':13 'crystal':2A 'doors':5B 'is':9C 'music':8C 'over':10C 'psychedelic':14 'rock':12 'ship':3A 'the':1A,4B,7C 'when':6C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737138.7376592  (2021-05-11 14:45:38)
                             'size'  2462165