======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '142'
                                          'artist'  'Pérez Prado'
                                     'text_people'  ''
                                         'release'  'Mondo Mambo: The Best of Perez Prado'
                                           'title'  'Patricia'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cuban', 'latin', 'fip', 'instrumental', 'mambo', '50s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '137.1'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Mondo Mambo: The Best of Perez Prado'
'TBPM' (BPM (beats per minute))                     '137.1'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-lounge or exotica or bossa',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'Patricia'
'TKEY' (Initial key)                                '3B'
'TLEN' (Length)                                     '142602'
'TPE1' (Lead performer(s)/Soloist(s))               'Pérez Prado'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['cuban', 'latin', 'fip', 'instrumental', 'mambo', '50s']
'TXXX:q-bass'                                       '3'
'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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.02 dB'
'TXXX:replaygain_track_peak'                        '0.593738'

========================== row from database ==========================
                                              'id'  746321
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - space age pop & mid century domestics (jingles & themes)/(1956) pérez prado - patricia.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  142
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3434747
                                           'mtime'  1620539212
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va space age pop & mid century domestics (jingles & themes) (1956) pérez prado patricia prerock jb jazz lounge or exotica or bossa;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Pérez Prado
                                     'tag_release'  Mondo Mambo: The Best of Perez Prado
                                       'tag_title'  Patricia
                                             'bpm'  137.1
                                    'search_title'  'patricia':1
                                   'search_artist'  'perez':1,2 'prado':3
                                  'search_release'  'best':5 'mambo':2,3 'mondo':1 'of':6 'perez':7 'prado':8 'the':4
                                     'search_rest'  '1956':12,13 'age':3 'bossa':24,26 'century':6 'domestics':7 'exotica':23 'jazz':20 'jb':19 'jingles':8,9 'lounge':21 'mid':5 'mor':33 'or':22 'patricia':17 'perez':14,15 'pl':28 'pop':4 'prado':16 'prerock':18 'set':25,27,30,32 'shirleyspinoza':29,31 'space':2 'themes':10,11 'va':1
                                    'search_combo'  '1956':24,25 'age':15 'best':9C 'bossa':36,38 'century':18 'domestics':19 'exotica':35 'jazz':32 'jb':31 'jingles':20,21 'lounge':33 'mambo':6C,7C 'mid':17 'mondo':5C 'mor':45 'of':10C 'or':34 'patricia':1A,29 'perez':2B,3B,11C,26,27 'pl':40 'pop':16 'prado':4B,12C,28 'prerock':30 'set':37,39,42,44 'shirleyspinoza':41,43 'space':14 'the':8C 'themes':22,23 'va':13
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['cuban', 'latin', 'fip', 'instrumental', 'mambo', '50s']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620539212.2810223  (2021-05-09 07:46:52)
                             'size'  3434747