======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '250'
                                          'artist'  'acid android'
                                     'text_people'  ''
                                         'release'  'faults'
                                           'title'  'perpetual motion'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial', 'jrock', 'japanese', 'yukihiro', 'rock', 'j rock']"
                                     'discogstags'  "['electronic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '5'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '93.9'
                                             'key'  '8A'
                                        'acoustid'  '17d81cb4-7a1d-41ef-9fd9-9227750f01b7'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'faults'
'TBPM' (BPM (beats per minute))                     '93.9'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-09-11'
'TIT2' (Title/songname/content description)         'perpetual motion'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'acid android'
'TPE2' (Band/orchestra/accompaniment)               'acid android'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ki/oon'
'TRCK' (Track number/Position in set)               '3/5'
'TSO2'                                              'acid android'
'TSOP' (Performer sort order)                       'acid android'
'TXXX:ASIN'                                         'B000084TEC'
'TXXX:Acoustid Id'                                  '17d81cb4-7a1d-41ef-9fd9-9227750f01b7'
'TXXX:Artists'                                      'acid android'
'TXXX:CATALOGNUMBER'                                'KSCL-513'
'TXXX:MusicBrainz Album Artist Id'                  '4092a0ab-f189-4d0a-bdd7-a90fb7ef9330'
'TXXX:MusicBrainz Album Id'                         '4bc9f188-4405-4627-9fa3-ada581843ff0'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '4092a0ab-f189-4d0a-bdd7-a90fb7ef9330'
'TXXX:MusicBrainz Release Group Id'                 'ee28dd0b-db5d-3392-9fbb-4c0b8c1433db'
'TXXX:MusicBrainz Release Track Id'                 'b741d4bf-cc05-3bd4-b533-c594b179a2e1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'rock']
'TXXX:lastfmtags'                                   ['industrial', 'jrock', 'japanese', 'yukihiro', 'rock', 'j rock']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.02 dB'
'TXXX:replaygain_track_peak'                        '0.379587'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1b30080d-cd91-4e56-9162-55d6d94bc829')

========================== row from database ==========================
                                              'id'  1372882
                                            'path'  /data/Music/Bulk/00localcharacter/Acid Android - Faults/03 - Perpetual Motion.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  250
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  6120894
                                           'mtime'  1637330167
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Acid Android Faults 03 Perpetual Motion loc asia japan;loc asia japan jrock
                                      'tag_artist'  acid android
                                     'tag_release'  faults
                                       'tag_title'  perpetual motion
                                             'bpm'  93.9
                                    'search_title'  'motion':2 'perpetual':1
                                   'search_artist'  'acid':1 'android':2
                                  'search_release'  'faults':1
                                     'search_rest'  'acid':1 'android':2 'asia':7 'faults':3 'japan':8,10,12 'jrock':13 'loc':6,9,11 'motion':5 'perpetual':4
                                    'search_combo'  'acid':3B,6 'android':4B,7 'asia':12 'faults':5C,8 'japan':13,15,17 'jrock':18 'loc':11,14,16 'motion':2A,10 'perpetual':1A,9
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'jrock', 'japanese', 'yukihiro', 'rock', 'j rock']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'rock']

============================== file details ==============================
                                           'mtime'  1637330167.4492137  (2021-11-19 14:56:07)
                             'size'  6120894