======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '182'
                                          'artist'  'Zebrahead'
                                     'text_people'  ''
                                         'release'  'Waste of Mind'
                                           'title'  'Someday'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rapcore', 'punk rock', 'pop punk', 'punk', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '16'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '114'
                                             'key'  '8A'
                                        'acoustid'  '9a41e89a-755b-4c0e-aa6a-529432f75740'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Waste of Mind'
'TBPM' (BPM (beats per minute))                     '114'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-10-13'
'TIT2' (Title/songname/content description)         'Someday'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Zebrahead'
'TPE2' (Band/orchestra/accompaniment)               'Zebrahead'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Columbia'
'TRCK' (Track number/Position in set)               '4/16'
'TSO2'                                              'Zebrahead'
'TSOP' (Performer sort order)                       'Zebrahead'
'TXXX:ASIN'                                         'B00000GBG9'
'TXXX:Acoustid Id'                                  '9a41e89a-755b-4c0e-aa6a-529432f75740'
'TXXX:Artists'                                      'Zebrahead'
'TXXX:Mp3gain_minmax'                               '137,194'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:MusicBrainz Album Artist Id'                  '4df5d35b-a9d4-4d4f-91f6-bae55693de31'
'TXXX:MusicBrainz Album Id'                         'f7e96763-6082-4150-8cc1-75b07d51127b'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '4df5d35b-a9d4-4d4f-91f6-bae55693de31'
'TXXX:MusicBrainz Release Group Id'                 '594cb594-b737-361b-827e-e589697de44a'
'TXXX:MusicBrainz Release Track Id'                 'cb306c2b-f163-47fc-aaa7-08f0ac6ca4ec'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rapcore', 'punk rock', 'pop punk', 'punk', 'rock']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.16 dB'
'TXXX:replaygain_track_peak'                        '0.528704'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'171400c7-3a6a-4a81-9c9c-a86185c14087')

========================== row from database ==========================
                                              'id'  1296721
                                            'path'  /data/Music/Bulk/00poprockelectronic/Zebrahead/Zebrahead - Someday.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  182
                                           'genre'  rock-gr-punk
                                        'filesize'  2929160
                                           'mtime'  1622659322
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic rock gr punk
                                      'tag_artist'  Zebrahead
                                     'tag_release'  Waste of Mind
                                       'tag_title'  Someday
                                             'bpm'  114.0
                                    'search_title'  'someday':1
                                   'search_artist'  'zebrahead':1
                                  'search_release'  'mind':3 'of':2 'waste':1
                                     'search_rest'  '00poprockelectronic':1 'gr':3 'punk':4 'rock':2
                                    'search_combo'  '00poprockelectronic':6 'gr':8 'mind':5C 'of':4C 'punk':9 'rock':7 'someday':1A 'waste':3C 'zebrahead':2B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['rapcore', 'punk rock', 'pop punk', 'punk', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659322.0853195  (2021-06-02 20:42:02)
                             'size'  2929160