======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '288'
                                          'artist'  'Minawo'
                                     'text_people'  ''
                                         'release'  'Tenohira no Hikari'
                                           'title'  'Tenohira no Hikari'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', '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-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['anime', 'japanese', 'dnangel', 'j-pop', 'soundtrack']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '110.182'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tenohira no Hikari'
'TBPM' (BPM (beats per minute))                     '110.182'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TIT2' (Title/songname/content description)         'Tenohira no Hikari'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Minawo'
'TRCK' (Track number/Position in set)               '1'
'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'                                   ['anime', 'japanese', 'dnangel', 'j-pop', 'soundtrack']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.91 dB'
'TXXX:replaygain_track_peak'                        '0.390215'

========================== row from database ==========================
                                              'id'  928481
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Unsorted/Melody of Oblivion - Tenohira no Hikari__cifsb0cc.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  288
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  6937908
                                           'mtime'  1622821778
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Unsorted Melody of Oblivion Hikari__cifsb0cc loc asia japan;loc asia japan jpop
                                      'tag_artist'  Minawo
                                     'tag_release'  Tenohira no Hikari
                                       'tag_title'  Tenohira no Hikari
                                             'bpm'  110.182
                                    'search_title'  'hikari':3 'no':2 'tenohira':1
                                   'search_artist'  'minawo':1
                                  'search_release'  'hikari':3 'no':2 'tenohira':1
                                     'search_rest'  '00asia':1 'asia':9 'cifsb0cc':7 'hikari':6 'japan':10,12,14 'jpop':15 'loc':8,11,13 'melody':3 'oblivion':5 'of':4 'unsorted':2
                                    'search_combo'  '00asia':8 'asia':16 'cifsb0cc':14 'hikari':3A,7C,13 'japan':17,19,21 'jpop':22 'loc':15,18,20 'melody':10 'minawo':4B 'no':2A,6C 'oblivion':12 'of':11 'tenohira':1A,5C 'unsorted':9
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', '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-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['anime', 'japanese', 'dnangel', 'j-pop', 'soundtrack']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821777.7975411  (2021-06-04 17:49:37)
                             'size'  6937908