======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '170'
                                          'artist'  'Lynyrd Skynyrd'
                                     'text_people'  ''
                                         'release'  'The Essential Lynyrd Skynyrd'
                                           'title'  'Double Trouble'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['hard rock', 'southern rock', 'rock', '70s', 'classic rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '128.495'
                                             'key'  '9A'
                                        'acoustid'  '0ab62e2f-f1c6-4bc9-9f59-b846dc9e85c4'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Essential Lynyrd Skynyrd'
'TBPM' (BPM (beats per minute))                     '128.495'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-08-25'
'TIT2' (Title/songname/content description)         'Double Trouble'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Lynyrd Skynyrd'
'TPE2' (Band/orchestra/accompaniment)               'Lynyrd Skynyrd'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'MCA Records'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'Lynyrd Skynyrd'
'TSOP' (Performer sort order)                       'Lynyrd Skynyrd'
'TSRC' (ISRC (international standard recording code))  'USMC17504527'
'TXXX:ASIN'                                         'B00000ADJX'
'TXXX:Acoustid Id'                                  '0ab62e2f-f1c6-4bc9-9f59-b846dc9e85c4'
'TXXX:BARCODE'                                      '008811180720'
'TXXX:CATALOGNUMBER'                                'MCAD2-11807'
'TXXX:MusicBrainz Album Artist Id'                  'c544ed4d-2390-4442-a83e-1ea2883b09c8'
'TXXX:MusicBrainz Album Id'                         '5d998987-ab6d-4ffc-a5db-255436bb415a'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'c544ed4d-2390-4442-a83e-1ea2883b09c8'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['hard rock', 'southern rock', 'rock', '70s', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.589431'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c765bd3c-b943-4b11-828a-b96856333cfc')

========================== row from database ==========================
                                              'id'  1284794
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lynyrd Skynyrd/Lynyrd Skynyrd - The Essential/The Essential Lynyrd Skynyrd (Disk 2)/Lynyrd Skynyrd - The Essentials Lynyrd Skynyrd (Disk 2) - 04 - Double Trouble.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  170
                                           'genre'  rock-cppex-classic
                                        'filesize'  3422550
                                           'mtime'  1636039298
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (Disk 2) Essentials (Disk 2) 04 rock cppex classic
                                      'tag_artist'  Lynyrd Skynyrd
                                     'tag_release'  The Essential Lynyrd Skynyrd
                                       'tag_title'  Double Trouble
                                             'bpm'  128.495
                                    'search_title'  'double':1 'trouble':2
                                   'search_artist'  'lynyrd':1 'skynyrd':2
                                  'search_release'  'essential':2 'lynyrd':3 'skynyrd':4 'the':1
                                     'search_rest'  '00poprockelectronic':1 '2':4,5 'classic':9 'cppex':8 'disk':2,3 'essentials':6 'rock':7
                                    'search_combo'  '00poprockelectronic':9 '2':12,13 'classic':17 'cppex':16 'disk':10,11 'double':1A 'essential':6C 'essentials':14 'lynyrd':3B,7C 'rock':15 'skynyrd':4B,8C 'the':5C 'trouble':2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hard rock', 'southern rock', 'rock', '70s', 'classic rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636039297.750713  (2021-11-04 16:21:37)
                             'size'  3422550