======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '276'
                                          'artist'  'Eliades Ochoa y El Cuarteto Patria'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Chan Chan (live)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['latin', 'cuba', 'cuban', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '17'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-latin'
                                             'bpm'  '123.406'
                                             'key'  '8A'
                                        'acoustid'  'd9307648-a095-4c28-b4eb-5178041b3e5e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '123.406'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-latin'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Chan Chan (live)'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '276532'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Eliades Ochoa y El Cuarteto Patria'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '3/17'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Ochoa, Eliades y Cuarteto Patria'
'TXXX:ASIN'                                         'B00004WF1M'
'TXXX:Acoustid Id'                                  'd9307648-a095-4c28-b4eb-5178041b3e5e'
'TXXX:Artists'                                      'Eliades Ochoa/El Cuarteto Patria'
'TXXX:BARCODE'                                      '724384878023'
'TXXX:CATALOGNUMBER'                                '987802'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['latin', 'cuba', 'cuban', 'world']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.497920'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd839e623-f399-46fe-9d1e-b87a56f1c3c5')

========================== row from database ==========================
                                              'id'  784112
                                            'path'  /data/Music/Bulk/00localcharacter/Latin/Vieja Trova Santiaguera/Vieja Trova Santiaguera - chan chan.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  276
                                           'genre'  loc-style-latin
                                        'filesize'  5586602
                                           'mtime'  1620592734
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Latin Vieja Trova Santiaguera Vieja Trova Santiaguera chan chan loc style latin
                                      'tag_artist'  Eliades Ochoa y El Cuarteto Patria
                                     'tag_release'  None
                                       'tag_title'  Chan Chan (live)
                                             'bpm'  123.406
                                    'search_title'  'chan':1 'live':2,3
                                   'search_artist'  'cuarteto':5 'el':4 'eliades':1 'ochoa':2 'patria':6 'y':3
                                  'search_release'  
                                     'search_rest'  'chan':5 'latin':1 'loc':6 'santiaguera':4 'style':7 'trova':3 'vieja':2
                                    'search_combo'  'chan':1A,14 'cuarteto':8B 'el':7B 'eliades':4B 'latin':10 'live':2A,3A 'loc':15 'ochoa':5B 'patria':9B 'santiaguera':13 'style':16 'trova':12 'vieja':11 'y':6B
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['latin', 'cuba', 'cuban', 'world']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592733.6329498  (2021-05-09 22:38:53)
                             'size'  5586602