======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '227'
                                          'artist'  'Utada'
                                     'text_people'  ''
                                         'release'  'Exodus'
                                           'title'  "Wonder 'bout"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'jpop', 'female vocalists', 'japanese', 'j pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '103.961'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Exodus'
'TBPM' (BPM (beats per minute))                     '103.961'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         "Wonder 'bout"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Utada'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'jpop', 'female vocalists', 'japanese', 'j pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.82 dB'
'TXXX:replaygain_track_peak'                        '0.379798'

========================== row from database ==========================
                                              'id'  1510079
                                            'path'  /data/Music/Bulk/00poprockelectronic/Utada/Utada - Wonder _bout (Exodus).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  227
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  5471744
                                           'mtime'  1622821865
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic _bout (Exodus) loc asia japan;loc asia japan jpop
                                      'tag_artist'  Utada
                                     'tag_release'  Exodus
                                       'tag_title'  Wonder 'bout
                                             'bpm'  103.961
                                    'search_title'  'bout':2,3 'wonder':1
                                   'search_artist'  'utada':1
                                  'search_release'  'exodus':1
                                     'search_rest'  '00poprockelectronic':1 'asia':6 'bout':2 'exodus':3,4 'japan':7,9,11 'jpop':12 'loc':5,8,10
                                    'search_combo'  '00poprockelectronic':6 'asia':11 'bout':2A,3A,7 'exodus':5C,8,9 'japan':12,14,16 'jpop':17 'loc':10,13,15 'utada':4B 'wonder':1A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'jpop', 'female vocalists', 'japanese', 'j pop']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821865.3592103  (2021-06-04 17:51:05)
                             'size'  5471744