======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '284'
                                          'artist'  'Celestial Season'
                                     'text_people'  ''
                                         'release'  'Lunchbox Dialogues'
                                           'title'  'Boarding Music'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['death doom metal', 'stoner rock', 'stoner metal', 'doom metal', 'metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '10'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '100.009'
                                             'key'  '3A'
                                        'acoustid'  '41a76212-f15a-4e57-979e-5926c97d07ca'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Lunchbox Dialogues'
'TBPM' (BPM (beats per minute))                     '100.009'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Boarding Music'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Celestial Season'
'TPE2' (Band/orchestra/accompaniment)               'Celestial Season'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'La Guapa Records'
'TRCK' (Track number/Position in set)               '4/10'
'TSO2'                                              'Celestial Season'
'TSOP' (Performer sort order)                       'Celestial Season'
'TXXX:ASIN'                                         'B00004TKBL'
'TXXX:Acoustid Id'                                  '41a76212-f15a-4e57-979e-5926c97d07ca'
'TXXX:Artists'                                      'Celestial Season'
'TXXX:BARCODE'                                      '638592403123'
'TXXX:CATALOGNUMBER'                                'lgr 51012'
'TXXX:Mp3gain_minmax'                               '064,204'
'TXXX:Mp3gain_undo'                                 '+006,+006,N'
'TXXX:MusicBrainz Album Artist Id'                  'a4834f89-5224-4dca-a510-9f547a363da7'
'TXXX:MusicBrainz Album Id'                         '0417b074-7fe3-401d-a664-0379a324af35'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a4834f89-5224-4dca-a510-9f547a363da7'
'TXXX:MusicBrainz Release Group Id'                 '3ee4dcaf-4242-3807-9e47-0da9ee021f50'
'TXXX:MusicBrainz Release Track Id'                 '37664b9a-326c-3d21-ac06-18b013e2ac5e'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['death doom metal', 'stoner rock', 'stoner metal', 'doom metal', 'metal']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.45 dB'
'TXXX:replaygain_track_peak'                        '0.390786'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b3a88ffa-785a-4981-a9cf-2f1c0a0c9d96')

========================== row from database ==========================
                                              'id'  1315418
                                            'path'  /data/Music/Bulk/00poprockelectronic/Celestial Season/celestial_season-lunchbox_dialogues-04-boarding_music.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  284
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6893281
                                           'mtime'  1637330395
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic celestial_season lunchbox_dialogues 04 boarding_music ifs songwriter indie rock
                                      'tag_artist'  Celestial Season
                                     'tag_release'  Lunchbox Dialogues
                                       'tag_title'  Boarding Music
                                             'bpm'  100.009
                                    'search_title'  'boarding':1 'music':2
                                   'search_artist'  'celestial':1 'season':2
                                  'search_release'  'dialogues':2 'lunchbox':1
                                     'search_rest'  '00poprockelectronic':1 'boarding':6 'celestial':2 'dialogues':5 'ifs':8 'indie':10 'lunchbox':4 'music':7 'rock':11 'season':3 'songwriter':9
                                    'search_combo'  '00poprockelectronic':7 'boarding':1A,12 'celestial':3B,8 'dialogues':6C,11 'ifs':14 'indie':16 'lunchbox':5C,10 'music':2A,13 'rock':17 'season':4B,9 'songwriter':15
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['death doom metal', 'stoner rock', 'stoner metal', 'doom metal', 'metal']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330394.7589908  (2021-11-19 14:59:54)
                             'size'  6893281