======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '139'
                                          'artist'  'Esquivel'
                                     'text_people'  ''
                                         'release'  'Cabaret Manana'
                                           'title'  'April in Portugal'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'space age pop', 'exotica', 'latin', 'easy listening']"
                                     'discogstags'  "['space-age', 'jazz', 'latin jazz', 'latin', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '85.5'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Cabaret Manana'
'TBPM' (BPM (beats per minute))                     '85.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'April in Portugal'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '139493'
'TPE1' (Lead performer(s)/Soloist(s))               'Esquivel'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['space-age', 'jazz', 'latin jazz', 'latin', 'easy listening']
'TXXX:lastfmtags'                                   ['lounge', 'space age pop', 'exotica', 'latin', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.45 dB'
'TXXX:replaygain_track_peak'                        '0.631033'

========================== row from database ==========================
                                              'id'  745991
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - space age pop & mid century domestics (jingles & themes)/(1958) esquivel, his piano & group - april in portugal.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  139
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3360166
                                           'mtime'  1620574116
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va space age pop & mid century domestics (jingles & themes) (1958) esquivel, his piano & group april portugal prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Esquivel
                                     'tag_release'  Cabaret Manana
                                       'tag_title'  April in Portugal
                                             'bpm'  85.5
                                    'search_title'  'april':1 'in':2 'portugal':3
                                   'search_artist'  'esquivel':1
                                  'search_release'  'cabaret':1 'manana':2
                                     'search_rest'  '1958':12,13 'age':3 'april':19 'bossa':26 'century':6 'domestics':7 'esquivel':14,15 'exotica':25 'group':18 'his':16 'jazz':23 'jb':22 'jingles':8,9 'lounge':24 'mid':5 'piano':17 'pop':4 'portugal':20 'prerock':21 'space':2 'themes':10,11 'va':1
                                    'search_combo'  '1958':18,19 'age':9 'april':1A,25 'bossa':32 'cabaret':5C 'century':12 'domestics':13 'esquivel':4B,20,21 'exotica':31 'group':24 'his':22 'in':2A 'jazz':29 'jb':28 'jingles':14,15 'lounge':30 'manana':6C 'mid':11 'piano':23 'pop':10 'portugal':3A,26 'prerock':27 'space':8 'themes':16,17 'va':7
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'space age pop', 'exotica', 'latin', 'easy listening']
                                        'tag_date'  1958
                                     'discogstags'  ['space-age', 'jazz', 'latin jazz', 'latin', 'easy listening']

============================== file details ==============================
                                           'mtime'  1620574116.4144254  (2021-05-09 17:28:36)
                             'size'  3360166