======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '245'
                                          'artist'  'Sir Richard Bishop'
                                     'text_people'  ''
                                         'release'  'The Unrock Tapes'
                                           'title'  'Empty Quarter'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'Q-PLAY-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'guitar', 'experimental', 'folk', 'acoustic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '8'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic;mi-guitar-acoustic'
                                             'bpm'  '138.0'
                                             'key'  '8A'
                                        'acoustid'  'a4f48a59-bb0c-4abb-94ca-ec044181930c'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Unrock Tapes'
'TBPM' (BPM (beats per minute))                     '138.0'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'mi-guitar-acoustic']
'TDOR' (Original release time)                      '2012'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Empty Quarter'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Sir Richard Bishop'
'TPE2' (Band/orchestra/accompaniment)               'Sir Richard Bishop'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/8'
'TSO2'                                              'Bishop, Sir Richard'
'TSOP' (Performer sort order)                       'Bishop, Sir Richard'
'TXXX:Acoustid Id'                                  'a4f48a59-bb0c-4abb-94ca-ec044181930c'
'TXXX:CATALOGNUMBER'                                'UNROCK LP001'
'TXXX:MusicBrainz Album Artist Id'                  'a444f8ff-2f8b-438b-a680-32c1f393244b'
'TXXX:MusicBrainz Album Id'                         'a4fb2f0c-22fd-4ede-90db-5bbe8e7cde9d'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a444f8ff-2f8b-438b-a680-32c1f393244b'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'guitar', 'experimental', 'folk', 'acoustic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.24 dB'
'TXXX:replaygain_track_peak'                        '0.993505'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7bc48a7f-e372-43eb-bedc-34c4f79b9197')

========================== row from database ==========================
                                              'id'  1374763
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Sir Richard Bishop/The Unrock Tapes/4-Empty Quarter.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  245
                                           'genre'  electronic;mi-guitar-acoustic
                                        'filesize'  7853002
                                           'mtime'  1636913414
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 4 electronic;mi guitar acoustic
                                      'tag_artist'  Sir Richard Bishop
                                     'tag_release'  The Unrock Tapes
                                       'tag_title'  Empty Quarter
                                             'bpm'  138.0
                                    'search_title'  'empty':1 'quarter':2
                                   'search_artist'  'bishop':3 'richard':2 'sir':1
                                  'search_release'  'tapes':3 'the':1 'unrock':2
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '4':3 'acoustic':9 'electronic':4,6 'guitar':8 'mi':5,7
                                    'search_combo'  '00calmer':10 '00poprockelectronic':9 '4':11 'acoustic':17 'bishop':5B 'electronic':12,14 'empty':1A 'guitar':16 'mi':13,15 'quarter':2A 'richard':4B 'sir':3B 'tapes':8C 'the':6C 'unrock':7C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'guitar', 'experimental', 'folk', 'acoustic']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913414.0964177  (2021-11-14 19:10:14)
                             'size'  7853002