======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '276'
                                          'artist'  'Metronome'
                                     'text_people'  ''
                                         'release'  '1メトロノーム'
                                           'title'  '-5dB'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-SYN-3', 'Q-OLDST-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'angura kei', 'japanese', 'visual kei', 'j-rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '15'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-we-synthpunk;loc-asia-japan;rock-gr-punk-jpunk;loc-asia-japan-jpunk'
                                             'bpm'  '109.883'
                                             'key'  '11B'
                                        'acoustid'  '8188fbff-efcb-46b3-ab04-b24589212e78'
rest: ''

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

'APIC:front cover art'                              type PictureType.COVER_FRONT (Cover (front)) b'front cover art'
                                     
'TALB' (Album/Movie/Show title)                     '1メトロノーム'
'TBPM' (BPM (beats per minute))                     '109.883'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-synthpunk',
 'loc-asia-japan',
 'rock-gr-punk-jpunk',
 'loc-asia-japan-jpunk']
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-04-02'
'TIT2' (Title/songname/content description)         '-5dB'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Metronome'
'TPE2' (Band/orchestra/accompaniment)               'Metronome'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Tricycle ENTERTAINMENT Inc.'
'TRCK' (Track number/Position in set)               '1/15'
'TSO2'                                              'Metronome'
'TSOP' (Performer sort order)                       'Metronome'
'TXXX:Acoustid Id'                                  '8188fbff-efcb-46b3-ab04-b24589212e78'
'TXXX:Artists'                                      'Metronome'
'TXXX:BARCODE'                                      '4538736210104'
'TXXX:CATALOGNUMBER'                                'TNCH-10'
'TXXX:MusicBrainz Album Artist Id'                  '0afebce8-950e-416a-8b8d-fbb52ad0f9a0'
'TXXX:MusicBrainz Album Id'                         '1f48f45d-553b-4103-acfe-473714492c8a'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0afebce8-950e-416a-8b8d-fbb52ad0f9a0'
'TXXX:MusicBrainz Release Group Id'                 '7ff673f2-2f09-30ee-ba4d-77fa9864d70c'
'TXXX:MusicBrainz Release Track Id'                 'b87b0924-374c-3e7c-ba1e-479ababa17ee'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Qaaa'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'angura kei', 'japanese', 'visual kei', 'j-rock']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.20 dB'
'TXXX:replaygain_track_peak'                        '0.824146'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5c1af65e-f7e2-428d-94b8-a7d95b2898c3')

========================== row from database ==========================
                                              'id'  925813
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/metronome/[2003] 1ﾒﾄﾛﾉｰﾑ/metoronomu - 1metoronomu - 01 - -5dB.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  276
                                           'genre'  electronic-we-synthpunk;loc-asia-japan;rock-gr-punk-jpunk;loc-asia-japan-jpunk
                                        'filesize'  6702561
                                           'mtime'  1620530973
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia metronome [2003] 1ﾒﾄﾛﾉｰﾑ metoronomu 1metoronomu 01 electronic we synthpunk;loc asia japan;rock gr punk jpunk;loc asia japan jpunk
                                      'tag_artist'  Metronome
                                     'tag_release'  1メトロノーム
                                       'tag_title'  -5dB
                                             'bpm'  109.883
                                    'search_title'  '5d':3,4 '5db':1,2 'b':5
                                   'search_artist'  'metronome':1
                                  'search_release'  '1metoronomu':2 '1メトロノーム':1
                                     'search_rest'  '00asia':1 '1metoronomu':6 '1ﾒﾄﾛﾉｰﾑ':5 '2003':3,4 'asia':14 'electronic':8 'gr':19 'japan':15,17,25 'jpunk':21,23,26 'loc':11,13,22,24 'metoronomu':7 'metronome':2 'punk':20 'rock':16,18 'synthpunk':10,12 'we':9
                                    'search_combo'  '00asia':9 '1metoronomu':8C,14 '1メトロノーム':7C '1ﾒﾄﾛﾉｰﾑ':13 '2003':11,12 '5d':3A,4A '5db':1A,2A 'asia':22 'b':5A 'electronic':16 'gr':27 'japan':23,25,33 'jpunk':29,31,34 'loc':19,21,30,32 'metoronomu':15 'metronome':6B,10 'punk':28 'rock':24,26 'synthpunk':18,20 'we':17
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'Q-SYN-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'angura kei', 'japanese', 'visual kei', 'j-rock']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620530972.7969518  (2021-05-09 05:29:32)
                             'size'  6702561