======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '187'
                                          'artist'  'Tau Moe & The Moes'
                                     'text_people'  ''
                                         'release'  'Vintage Hawaiian Music: Steel Guitar Masters 1928 - 1934'
                                           'title'  'Ellis March'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1930'
                                        'comments'  ''
                                           'genre'  'loc-islands-hawaii;set-pl-mor'
                                             'bpm'  '137.478'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Vintage Hawaiian Music: Steel Guitar Masters 1928 - 1934'
'TBPM' (BPM (beats per minute))                     '137.478'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['loc-islands-hawaii', 'set-pl-mor']
'TDRC' (Recording time)                             '1930'
'TIT2' (Title/songname/content description)         'Ellis March'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tau Moe & The Moes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.686630'

========================== row from database ==========================
                                              'id'  1396106
                                            'path'  /data/Music/Bulk/00localcharacter/00islands/Vintage Hawaiian Music - Steel guitar masters 1928-34/Tau Moe & The Moes - Ellis march.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  187
                                           'genre'  loc-islands-hawaii;set-pl-mor
                                        'filesize'  4507232
                                           'mtime'  1620535396
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00islands guitar masters march loc islands hawaii;set pl mor
                                      'tag_artist'  Tau Moe & The Moes
                                     'tag_release'  Vintage Hawaiian Music: Steel Guitar Masters 1928 - 1934
                                       'tag_title'  Ellis March
                                             'bpm'  137.478
                                    'search_title'  'ellis':1 'march':2
                                   'search_artist'  'moe':2 'moes':4 'tau':1 'the':3
                                  'search_release'  '1928':8 '1934':9 'guitar':6 'hawaiian':2 'masters':7 'music':3,4 'steel':5 'vintage':1
                                     'search_rest'  '00islands':1 'guitar':2 'hawaii':7,9 'islands':6 'loc':5 'march':4 'masters':3 'mor':12 'pl':11 'set':8,10
                                    'search_combo'  '00islands':16 '1928':14C '1934':15C 'ellis':1A 'guitar':12C,17 'hawaii':22,24 'hawaiian':8C 'islands':21 'loc':20 'march':2A,19 'masters':13C,18 'moe':4B 'moes':6B 'mor':27 'music':9C,10C 'pl':26 'set':23,25 'steel':11C 'tau':3B 'the':5B 'vintage':7C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1930
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620535395.710533  (2021-05-09 06:43:15)
                             'size'  4507232