======================== unified (from filesystem) ========================
                                         'bitrate'  '197.75'
                                        'duration'  '219'
                                          'artist'  'Astrud Gilberto with Stanley Turrentine'
                                     'text_people'  ''
                                         'release'  'Jazz Fusion'
                                           'title'  'Zazueira'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-3', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['jazz', 'bossa nova', 'female vocalists', 'latin', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '133.756'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Jazz Fusion'
'TBPM' (BPM (beats per minute))                     '133.756'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Zazueira'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Astrud Gilberto with Stanley Turrentine'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'bossa nova', 'female vocalists', 'latin', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.95 dB'
'TXXX:replaygain_track_peak'                        '0.524915'

========================== row from database ==========================
                                              'id'  851253
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/ASTRUD en BEBEL GILBERTO/Astrud Gilberto - Zazueira.mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  219
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  5422726
                                           'mtime'  1620528087
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country ASTRUD BEBEL GILBERTO prerock jb jazz unsorted
                                      'tag_artist'  Astrud Gilberto with Stanley Turrentine
                                     'tag_release'  Jazz Fusion
                                       'tag_title'  Zazueira
                                             'bpm'  133.756
                                    'search_title'  'zazueira':1
                                   'search_artist'  'astrud':1 'gilberto':2 'stanley':4 'turrentine':5 'with':3
                                  'search_release'  'fusion':2 'jazz':1
                                     'search_rest'  'astrud':5 'bebel':6 'country':4 'exotica':2 'gilberto':7 'jazz':1 'jb':9 'oldies':3 'prerock':8 'unsorted':10
                                    'search_combo'  'astrud':2B,13 'bebel':14 'country':12 'exotica':10 'fusion':8C 'gilberto':3B,15 'jazz':7C,9 'jb':17 'oldies':11 'prerock':16 'stanley':5B 'turrentine':6B 'unsorted':18 'with':4B 'zazueira':1A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'bossa nova', 'female vocalists', 'latin', 'easy listening']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528086.9262893  (2021-05-09 04:41:26)
                             'size'  5422726