======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '154'
                                          'artist'  'Daniel Santos'
                                     'text_people'  ''
                                         'release'  'Sonora Matancera presenta a ...'
                                           'title'  'El Bobo De La Yuca'
                                           'quals'  ("['Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['puerto rico', 'latin', 'bolero']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  'B01'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-puertorico;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '102.437'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sonora Matancera presenta a ...'
'TBPM' (BPM (beats per minute))                     '102.437'
'TCON' (Content type, a.k.a. Genre)                 ['loc-puertorico', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TENC' (Encoded by)                                 'Winamp 5.541'
'TIT2' (Title/songname/content description)         'El Bobo De La Yuca'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Daniel Santos'
'TPE2' (Band/orchestra/accompaniment)               'Daniel Santos'
'TRCK' (Track number/Position in set)               'B01'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['puerto rico', 'latin', 'bolero']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.58 dB'
'TXXX:replaygain_track_peak'                        '0.426409'

========================== row from database ==========================
                                              'id'  660197
                                            'path'  /data/Music/Bulk/00localcharacter/16 la sonora matancera - presenta a daniel santos (1950)/B01 - El Bobo De La Yuca.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  154
                                           'genre'  loc-puertorico;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  6162807
                                           'mtime'  1620347956
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 16 la sonora matancera daniel santos (1950) B01 loc puertorico;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Daniel Santos
                                     'tag_release'  Sonora Matancera presenta a ...
                                       'tag_title'  El Bobo De La Yuca
                                             'bpm'  102.437
                                    'search_title'  'bobo':2 'de':3 'el':1 'la':4 'yuca':5
                                   'search_artist'  'daniel':1 'santos':2
                                  'search_release'  'a':4 'matancera':2 'presenta':3 'sonora':1
                                     'search_rest'  '1950':6,7 'b01':8 'daniel':4 'la':1 'loc':9 'matancera':3 'mor':19 'pl':14 'puertorico':10,12 'santos':5 'set':11,13,16,18 'shirleyspinoza':15,17 'sonora':2
                                    'search_combo'  '1950':17,18 'a':11C 'b01':19 'bobo':2A 'daniel':6B,15 'de':3A 'el':1A 'la':4A,12 'loc':20 'matancera':9C,14 'mor':30 'pl':25 'presenta':10C 'puertorico':21,23 'santos':7B,16 'set':22,24,27,29 'shirleyspinoza':26,28 'sonora':8C,13 'yuca':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['puerto rico', 'latin', 'bolero']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620347955.6199305  (2021-05-07 02:39:15)
                             'size'  6162807