======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '233'
                                          'artist'  'Porno Graffitti'
                                     'text_people'  ''
                                         'release'  'THUMPx'
                                           'title'  'Neomelodramatic'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['j-rock', 'japanese', 'j-pop', 'anime', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '125.782'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000010D7 000011CD 00003523 00003F7C 00024A07 0002BF65 00007E82 00007FC9 '
 '00033450 00033450')
'TALB' (Album/Movie/Show title)                     'THUMPx'
'TBPM' (BPM (beats per minute))                     '125.782'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Neomelodramatic'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Porno Graffitti'
'TRCK' (Track number/Position in set)               '2'
'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:lastfmtags'                                   ['j-rock', 'japanese', 'j-pop', 'anime', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.407050'

========================== row from database ==========================
                                              'id'  1375609
                                            'path'  /data/Music/Bulk/00poprockelectronic/Porno Graffitti/THUMPx/02 Neomelodramatic.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  233
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  5605376
                                           'mtime'  1638550984
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 loc asia japan;loc asia japan jrock
                                      'tag_artist'  Porno Graffitti
                                     'tag_release'  THUMPx
                                       'tag_title'  Neomelodramatic
                                             'bpm'  125.782
                                    'search_title'  'neomelodramatic':1
                                   'search_artist'  'graffitti':2 'porno':1
                                  'search_release'  'thumpx':1
                                     'search_rest'  '00poprockelectronic':1 'asia':3 'japan':4,6,8 'jrock':9 'loc':2,5,7
                                    'search_combo'  '00poprockelectronic':5 'asia':7 'graffitti':3B 'japan':8,10,12 'jrock':13 'loc':6,9,11 'neomelodramatic':1A 'porno':2B 'thumpx':4C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['j-rock', 'japanese', 'j-pop', 'anime', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638550983.6258965  (2021-12-03 18:03:03)
                             'size'  5605376