======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '185'
                                          'artist'  'Sol Hoopii'
                                     'text_people'  ''
                                         'release'  'Master of the Hawaiian Guitar Vol 2'
                                           'title'  'Na Alii [1929]'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['steel guitar', 'jazz', 'good time music', 'hawaii', 'hawaiian']"
                                     'discogstags'  "['folk, world, & country', 'hawaiian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1930'
                                        'comments'  ''
                                           'genre'  'loc-islands-hawaii'
                                             'bpm'  '111.763'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Master of the Hawaiian Guitar Vol 2'
'TBPM' (BPM (beats per minute))                     '111.763'
'TCON' (Content type, a.k.a. Genre)                 'loc-islands-hawaii'
'TDRC' (Recording time)                             '1930'
'TIT2' (Title/songname/content description)         'Na Alii [1929]'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sol Hoopii'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['folk, world, & country', 'hawaiian']
'TXXX:lastfmtags'                                   ['steel guitar', 'jazz', 'good time music', 'hawaii', 'hawaiian']
'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'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.50 dB'
'TXXX:replaygain_track_peak'                        '0.686495'

========================== row from database ==========================
                                              'id'  1401255
                                            'path'  /data/Music/Bulk/00localcharacter/00islands/Master of the Hawaiian Guitar Vol 2/10 Na Alii [1929].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  185
                                           'genre'  loc-islands-hawaii
                                        'filesize'  5470666
                                           'mtime'  1621627041
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00islands 10 loc islands hawaii
                                      'tag_artist'  Sol Hoopii
                                     'tag_release'  Master of the Hawaiian Guitar Vol 2
                                       'tag_title'  Na Alii [1929]
                                             'bpm'  111.763
                                    'search_title'  '1929':3,4 'alii':2 'na':1
                                   'search_artist'  'hoopii':2 'sol':1
                                  'search_release'  '2':7 'guitar':5 'hawaiian':4 'master':1 'of':2 'the':3 'vol':6
                                     'search_rest'  '00islands':1 'hawaii':4 'islands':3 'loc':2
                                    'search_combo'  '00islands':14 '1929':3A,4A '2':13C 'alii':2A 'guitar':11C 'hawaii':17 'hawaiian':10C 'hoopii':6B 'islands':16 'loc':15 'master':7C 'na':1A 'of':8C 'sol':5B 'the':9C 'vol':12C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', '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'  ['steel guitar', 'jazz', 'good time music', 'hawaii', 'hawaiian']
                                        'tag_date'  1930
                                     'discogstags'  ['folk, world, & country', 'hawaiian']

============================== file details ==============================
                                           'mtime'  1621627041.0231657  (2021-05-21 21:57:21)
                             'size'  5470666