======================== unified (from filesystem) ========================
                                         'bitrate'  '244.872'
                                        'duration'  '188'
                                          'artist'  'Leonard Kwan'
                                     'text_people'  ''
                                         'release'  'Rough Guide To The Music Of Hawaii'
                                           'title'  'New Opihi Moemoe #3'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hawaiian', 'slack key guitar', 'folk', 'all', 'ethnic']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'loc-islands-hawaii'
                                             'bpm'  '118.915'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rough Guide To The Music Of Hawaii'
'TBPM' (BPM (beats per minute))                     '118.915'
'TCON' (Content type, a.k.a. Genre)                 'loc-islands-hawaii'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'New Opihi Moemoe #3'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Leonard Kwan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['hawaiian', 'slack key guitar', 'folk', 'all', 'ethnic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.619588'

========================== row from database ==========================
                                              'id'  1397308
                                            'path'  /data/Music/Bulk/00localcharacter/00islands/The Rough Guide To The Music Of Hawaii/12. Leonard Kwan - New Opihi Moemoe #3.mp3
                                         'working'  None
                                         'bitrate'  244
                                    'duration_sec'  188
                                           'genre'  loc-islands-hawaii
                                        'filesize'  5761303
                                           'mtime'  1621629230
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00islands 12. loc islands hawaii
                                      'tag_artist'  Leonard Kwan
                                     'tag_release'  Rough Guide To The Music Of Hawaii
                                       'tag_title'  New Opihi Moemoe #3
                                             'bpm'  118.915
                                    'search_title'  '3':4,5 'moemoe':3 'new':1 'opihi':2
                                   'search_artist'  'kwan':2 'leonard':1
                                  'search_release'  'guide':2 'hawaii':7 'music':5 'of':6 'rough':1 'the':4 'to':3
                                     'search_rest'  '00islands':1 '12':2,3 'hawaii':6 'islands':5 'loc':4
                                    'search_combo'  '00islands':15 '12':16,17 '3':4A,5A 'guide':9C 'hawaii':14C,20 'islands':19 'kwan':7B 'leonard':6B 'loc':18 'moemoe':3A 'music':12C 'new':1A 'of':13C 'opihi':2A 'rough':8C 'the':11C 'to':10C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hawaiian', 'slack key guitar', 'folk', 'all', 'ethnic']
                                        'tag_date'  2007
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621629229.8610332  (2021-05-21 22:33:49)
                             'size'  5761303