======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '149'
                                          'artist'  'Stereolab'
                                     'text_people'  ''
                                         'release'  'Emperor Tomato Ketchup'
                                           'title'  'Spark Plug'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'post rock', 'alternative', 'electronica', 'electronic']"
                                     'discogstags'  "['rock', 'indie rock', 'post rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '14'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '97'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Emperor Tomato Ketchup'
'TBPM' (BPM (beats per minute))                     '97'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-04-10'
'TIT2' (Title/songname/content description)         'Spark Plug'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Stereolab'
'TPE2' (Band/orchestra/accompaniment)               'Stereolab'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Elektra Entertainment'
'TRCK' (Track number/Position in set)               '5/14'
'TSO2'                                              'Stereolab'
'TSOP' (Performer sort order)                       'Stereolab'
'TSRC' (ISRC (international standard recording code))  'USEE10000900'
'TXXX:Artists'                                      'Stereolab'
'TXXX:BARCODE'                                      '4943674058327'
'TXXX:CATALOGNUMBER'                                'WPCR-583'
'TXXX:MusicBrainz Album Artist Id'                  'f1df0431-9250-4ec8-95d8-f19ce7cf7fb6'
'TXXX:MusicBrainz Album Id'                         '3894d559-e56a-4d8b-a410-bdb3e44cd047'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f1df0431-9250-4ec8-95d8-f19ce7cf7fb6'
'TXXX:MusicBrainz Release Group Id'                 '1c51069d-4c59-4ddf-bd12-dacefada37c3'
'TXXX:MusicBrainz Release Track Id'                 'b8396686-2d22-3354-b4f8-e45022bab660'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'indie rock', 'post rock']
'TXXX:lastfmtags'                                   ['indie', 'post rock', 'alternative', 'electronica', 'electronic']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.649744'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3ba3e4ad-6bd7-46dd-9d34-ebd7b647277f')

========================== row from database ==========================
                                              'id'  1378277
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Stereolab/Emperor Tomato Ketchup/Stereolab - Emperor Tomato Ketchup - 05 - Spark Plug.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  149
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2500931
                                           'mtime'  1621697134
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 05 ifs songwriter indie rock
                                      'tag_artist'  Stereolab
                                     'tag_release'  Emperor Tomato Ketchup
                                       'tag_title'  Spark Plug
                                             'bpm'  97.0
                                    'search_title'  'plug':2 'spark':1
                                   'search_artist'  'stereolab':1
                                  'search_release'  'emperor':1 'ketchup':3 'tomato':2
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'indierock':3 'poprock':2 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':7 'emperor':4C 'ifs':10 'indie':12 'indierock':9 'ketchup':6C 'plug':2A 'poprock':8 'rock':13 'songwriter':11 'spark':1A 'stereolab':3B 'tomato':5C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', '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'  ['indie', 'post rock', 'alternative', 'electronica', 'electronic']
                                        'tag_date'  1996
                                     'discogstags'  ['rock', 'indie rock', 'post rock']

============================== file details ==============================
                                           'mtime'  1621697134.4004502  (2021-05-22 17:25:34)
                             'size'  2500931