======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '181'
                                          'artist'  'Shonen Knife'
                                     'text_people'  ''
                                         'release'  'The Birds & The B-Sides'
                                           'title'  'Fruit Loop Dreams (acoustic version)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'punk', 'j-rock', 'rock', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '18'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock;rock-gr-punk-pop'
                                             'bpm'  '137'
                                             'key'  '1B'
                                        'acoustid'  'aa8105f5-f7dc-4efb-bb1c-3cbb3101ba82'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Birds & The B-Sides'
'TBPM' (BPM (beats per minute))                     '137'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock', 'rock-gr-punk-pop']
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-03-05'
'TIT2' (Title/songname/content description)         'Fruit Loop Dreams (acoustic version)'
'TKEY' (Initial key)                                '1B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Shonen Knife'
'TPE2' (Band/orchestra/accompaniment)               'Shonen Knife'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '8/18'
'TSO2'                                              'Shonen Knife'
'TSOP' (Performer sort order)                       'Shonen Knife'
'TXXX:ASIN'                                         'B000000WAZ'
'TXXX:Acoustid Id'                                  'aa8105f5-f7dc-4efb-bb1c-3cbb3101ba82'
'TXXX:Artists'                                      'Shonen Knife'
'TXXX:BARCODE'                                      '724384141424'
'TXXX:CATALOGNUMBER'                                '41414 2'
'TXXX:MusicBrainz Album Artist Id'                  '5089b746-7612-4a13-9153-33ff2560e161'
'TXXX:MusicBrainz Album Id'                         '524004e4-4730-4aef-8d18-32266c5ee2ea'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '5089b746-7612-4a13-9153-33ff2560e161'
'TXXX:MusicBrainz Release Group Id'                 '82497f7b-903f-3f65-a4c7-02bc6563a316'
'TXXX:MusicBrainz Release Track Id'                 '7f54e1b2-2534-3ee6-a106-86e8007b5891'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['japanese', 'punk', 'j-rock', 'rock', 'female vocalists']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.62 dB'
'TXXX:replaygain_track_peak'                        '0.496555'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f7033c49-56c9-4f90-9e86-66300efd0b1d')

========================== row from database ==========================
                                              'id'  925601
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Shonen Knife/1996 - Birds & The B-Sides/08-Fruit Loop Dreams (Acoustic Version) (01 10).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  181
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock;rock-gr-punk-pop
                                        'filesize'  4413894
                                           'mtime'  1621489127
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 1996 08 (Acoustic Version) (01 10) loc asia japan;loc asia japan jrock;rock gr punk pop
                                      'tag_artist'  Shonen Knife
                                     'tag_release'  The Birds & The B-Sides
                                       'tag_title'  Fruit Loop Dreams (acoustic version)
                                             'bpm'  137.0
                                    'search_title'  'acoustic':4,5 'dreams':3 'fruit':1 'loop':2 'version':6,7
                                   'search_artist'  'knife':2 'shonen':1
                                  'search_release'  'b':3 'birds':2 'bsides':5 'sides':4 'the':1
                                     'search_rest'  '00asia':1 '01':7,8 '10':9,10 '1996':2 'acoustic':3,4 'asia':12 'gr':22 'japan':13,15,17 'jrock':18,20 'loc':11,14,16 'pop':24 'punk':23 'rock':19,21 'version':5,6
                                    'search_combo'  '00asia':15 '01':21,22 '10':23,24 '1996':16 'acoustic':4A,5A,17,18 'asia':26 'b':12C 'birds':11C 'bsides':14C 'dreams':3A 'fruit':1A 'gr':36 'japan':27,29,31 'jrock':32,34 'knife':9B 'loc':25,28,30 'loop':2A 'pop':38 'punk':37 'rock':33,35 'shonen':8B 'sides':13C 'the':10C 'version':6A,7A,19,20
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['japanese', 'punk', 'j-rock', 'rock', 'female vocalists']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489127.2125895  (2021-05-20 07:38:47)
                             'size'  4413894