======================== unified (from filesystem) ========================
                                         'bitrate'  '198.939'
                                        'duration'  '322'
                                          'artist'  'Diablo Swing Orchestra'
                                     'text_people'  ''
                                         'release'  "The Butcher's Ballroom"
                                           'title'  'Heroines'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['symphonic metal', 'jazz metal', 'metal', 'progressive metal', 'avant "
 "garde', 'avant garde metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '13'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-symphonic;electronic-unsorted'
                                             'bpm'  '127'
                                             'key'  '12A'
                                        'acoustid'  '3a65ec7b-6f31-477b-88d0-e742dfca410e'
rest: ''

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

'APIC:Scan'                                         type PictureType.COVER_FRONT (Cover (front)) b'Scan'
                                     
'TALB' (Album/Movie/Show title)                     "The Butcher's Ballroom"
'TBPM' (BPM (beats per minute))                     '127'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-symphonic', 'electronic-unsorted']
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2007-08-13'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['engineer', 'Daniel Håkansson'], ['engineer', 'Pontus Mantefors'], ['bass guitar', 'Andy Johansson'], ['didgeridoo, guitar family, percussion and synthesizer', 'Pontus Mantefors'], ['membranophone', 'Andreas Halvardsson'], ['additional double bass', 'David Werthén'], ['additional piano', 'Per Gunnar Juliusson'], ['additional violin', 'Emmy Lindstrom'], ['additional flute', 'Kristin Olsson'], ['guitar family and sitar', 'Daniel Håkansson'], ['additional trumpet', 'Tobias Wiklund'], ['cello', 'Johannes Bergion']])
'TIT2' (Title/songname/content description)         'Heroines'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Diablo Swing Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Diablo Swing Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Candlelight Records'
'TRCK' (Track number/Position in set)               '2/13'
'TSO2'                                              'Diablo Swing Orchestra'
'TSOP' (Performer sort order)                       'Diablo Swing Orchestra'
'TSRC' (ISRC (international standard recording code))  'GBADD0719502/SEXBD0600102'
'TXXX:ASIN'                                         'B000TQLQDU'
'TXXX:Acoustid Id'                                  '3a65ec7b-6f31-477b-88d0-e742dfca410e'
'TXXX:Artists'                                      'Diablo Swing Orchestra'
'TXXX:BARCODE'                                      '803341228573'
'TXXX:CATALOGNUMBER'                                'CANDLE195CD'
'TXXX:MusicBrainz Album Artist Id'                  'af723a8a-d3db-46c2-82a3-201dde8fa27f'
'TXXX:MusicBrainz Album Id'                         'b26f7a55-e720-3e8c-8fc1-167f8201928c'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'af723a8a-d3db-46c2-82a3-201dde8fa27f'
'TXXX:MusicBrainz Release Group Id'                 'ff69348f-1831-36e3-8c3b-1f477c1e8676'
'TXXX:MusicBrainz Release Track Id'                 '07f935ba-1d48-3134-a371-754e592ca345'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['symphonic metal',
 'jazz metal',
 'metal',
 'progressive metal',
 'avant garde',
 'avant garde metal']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.421896'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7b591c92-6c11-4030-b973-fe6d07eac2c5')

========================== row from database ==========================
                                              'id'  1533584
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Diablo Swing Orchestra/The Butcher_s Ballroom/02 - Heroines.mp3
                                         'working'  None
                                         'bitrate'  198
                                    'duration_sec'  322
                                           'genre'  eid-metal-symphonic;electronic-unsorted
                                        'filesize'  8142743
                                           'mtime'  1620311471
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Butcher_s 02 eid metal symphonic;electronic unsorted
                                      'tag_artist'  Diablo Swing Orchestra
                                     'tag_release'  The Butcher's Ballroom
                                       'tag_title'  Heroines
                                             'bpm'  127.0
                                    'search_title'  'heroines':1
                                   'search_artist'  'diablo':1 'orchestra':3 'swing':2
                                  'search_release'  'ballroom':5 'butcher':2 'butchers':4 's':3 'the':1
                                     'search_rest'  'butcher':5 'country':4 'eid':7 'electronic':10,12 'exotica':2 'jazz':1 'metal':8 'oldies':3 's':6 'symphonic':9,11 'unsorted':13
                                    'search_combo'  'ballroom':9C 'butcher':6C,14 'butchers':8C 'country':13 'diablo':2B 'eid':16 'electronic':19,21 'exotica':11 'heroines':1A 'jazz':10 'metal':17 'oldies':12 'orchestra':4B 's':7C,15 'swing':3B 'symphonic':18,20 'the':5C 'unsorted':22
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['symphonic metal', 'jazz metal', 'metal', 'progressive metal', 'avant garde', 'avant garde metal']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311471.2569594  (2021-05-06 16:31:11)
                             'size'  8142743