======================== unified (from filesystem) ========================
                                         'bitrate'  '96.673'
                                        'duration'  '157'
                                          'artist'  'The Gravestone Four'
                                     'text_people'  ''
                                         'release'  'Las Vegas Grind, Volume 5'
                                           'title'  'Rigor Mortis'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-2', 'q-chart-1', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  '[\'blues\', \'rock and roll\', "rock\'n\'roll"]'
                                     'discogstags'  "['rockabilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '21'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '90.452'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Las Vegas Grind, Volume 5'
'TBPM' (BPM (beats per minute))                     '90.452'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Rigor Mortis'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'The Gravestone Four'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Crypt Records'
'TRCK' (Track number/Position in set)               '10/21'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Gravestone Four, The'
'TXXX:Artists'                                      'The Gravestone Four'
'TXXX:CATALOGNUMBER'                                'ST-075'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'c39371eb-f7d4-49fb-a116-e1ca75efa097'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'd6ecdad2-921f-4aac-a520-9f4caea8cb1b'
'TXXX:MusicBrainz Release Group Id'                 '30f2323c-be43-4b85-933d-7beca72c9cec'
'TXXX:MusicBrainz Release Track Id'                 'fcfcb317-f630-3a04-abc1-960f5e6436b1'
'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:discogstags'                                  ['rockabilly', 'rock']
'TXXX:lastfmtags'                                   ['blues', 'rock and roll', "rock'n'roll"]
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.425769'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5f0b0694-1703-431e-bc3a-faa7564ab629')

========================== row from database ==========================
                                              'id'  1361538
                                            'path'  /data/Music/Bulk/00poprockelectronic/las vegas grinds/5/11 Rigor Mortis.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  157
                                           'genre'  rock-pop-surf
                                        'filesize'  1953322
                                           'mtime'  1620737371
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic las vegas grinds 11 rock pop surf
                                      'tag_artist'  The Gravestone Four
                                     'tag_release'  Las Vegas Grind, Volume 5
                                       'tag_title'  Rigor Mortis
                                             'bpm'  90.452
                                    'search_title'  'mortis':2 'rigor':1
                                   'search_artist'  'four':3 'gravestone':2 'the':1
                                  'search_release'  '5':6 'grind':3,4 'las':1 'vegas':2 'volume':5
                                     'search_rest'  '00poprockelectronic':1 'grinds':4 'las':2 'pop':6 'rock':5 'surf':7 'vegas':3
                                    'search_combo'  '00poprockelectronic':12 '5':11C 'four':5B 'gravestone':4B 'grind':8C,9C 'grinds':15 'las':6C,13 'mortis':2A 'pop':17 'rigor':1A 'rock':16 'surf':18 'the':3B 'vegas':7C,14 'volume':10C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock and roll', "rock'n'roll"]
                                        'tag_date'  1995
                                     'discogstags'  ['rockabilly', 'rock']

============================== file details ==============================
                                           'mtime'  1620737371.1363003  (2021-05-11 14:49:31)
                             'size'  1953322