======================== unified (from filesystem) ========================
                                         'bitrate'  '200.869'
                                        'duration'  '182'
                                          'artist'  'Perez Prado'
                                     'text_people'  'Cerezo Rosa/Luis Guglielmi'
                                         'release'  'Mondo Mambo! - The Best Of...'
                                           'title'  'Cherry Pink And Apple Blossom White'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['mambo', 'latin', 'cuban', 'instrumental', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-style-mambo'
                                             'bpm'  '110.362'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mondo Mambo! - The Best Of...'
'TBPM' (BPM (beats per minute))                     '110.362'
'TCOM' (Composer)                                   'Cerezo Rosa/Luis Guglielmi'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-mambo'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Cherry Pink And Apple Blossom White'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Perez Prado & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Perez Prado'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['mambo', 'latin', 'cuban', 'instrumental', 'jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.48 dB'
'TXXX:replaygain_track_peak'                        '0.357116'

========================== row from database ==========================
                                              'id'  730532
                                            'path'  /data/Music/Bulk/00localcharacter/Perez Prado/01 - cherry pink and apple blossom white.mp3
                                         'working'  None
                                         'bitrate'  200
                                    'duration_sec'  182
                                           'genre'  loc-style-mambo
                                        'filesize'  4573056
                                           'mtime'  1620592817
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 01 cherry pink and apple blossom white loc style mambo
                                      'tag_artist'  Perez Prado
                                     'tag_release'  Mondo Mambo! - The Best Of...
                                       'tag_title'  Cherry Pink And Apple Blossom White
                                             'bpm'  110.362
                                    'search_title'  'and':3 'apple':4 'blossom':5 'cherry':1 'pink':2 'white':6
                                   'search_artist'  'perez':1 'prado':2
                                  'search_release'  'best':4 'mambo':2 'mondo':1 'of':5,6 'the':3
                                     'search_rest'  'and':3 'apple':4 'blossom':5 'cherry':1 'loc':7 'mambo':9 'pink':2 'style':8 'white':6
                                    'search_combo'  'and':3A,17 'apple':4A,18 'best':12C 'blossom':5A,19 'cherry':1A,15 'loc':21 'mambo':10C,23 'mondo':9C 'of':13C,14C 'perez':7B 'pink':2A,16 'prado':8B 'style':22 'the':11C 'white':6A,20
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', '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-4', 'Q-HAP-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['mambo', 'latin', 'cuban', 'instrumental', 'jazz']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592816.8802  (2021-05-09 22:40:16)
                             'size'  4573056