======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '142'
                                          'artist'  'Astrud Gilberto'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-3', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['bossa nova', 'fip', 'latin', 'jazz', 'female vocalists', 'brazilian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '97.788'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '97.788'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1965'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Astrud Gilberto'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['bossa nova', 'fip', 'latin', 'jazz', 'female vocalists', 'brazilian']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.70 dB'
'TXXX:replaygain_track_peak'                        '0.741004'

========================== row from database ==========================
                                              'id'  973698
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Gilberto, Astrud - Verve Jazz Masters 09 (1965)/17 So Finha De Ser Com Voce.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  142
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  4560896
                                           'mtime'  1620529677
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Gilberto, Verve Jazz Masters 09 (1965) 17 So Finha De Ser Com Voce prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Astrud Gilberto
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  97.788
                                    'search_title'  None
                                   'search_artist'  'astrud':1 'gilberto':2
                                  'search_release'  
                                     'search_rest'  '1965':9,10 'bossa':21 'com':15 'country':4 'de':13 'exotica':2 'finha':12 'gilberto':5,6 'jazz':1 'jb':18 'lounge':19 'masters':8 'oldies':3 'or':20 'prerock':17 'ser':14 'so':11 'verve':7 'voce':16
                                    'search_combo'  '1965':11,12 'astrud':1B 'bossa':23 'com':17 'country':6 'de':15 'exotica':4 'finha':14 'gilberto':2B,7,8 'jazz':3 'jb':20 'lounge':21 'masters':10 'oldies':5 'or':22 'prerock':19 'ser':16 'so':13 'verve':9 'voce':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-piano-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['bossa nova', 'fip', 'latin', 'jazz', 'female vocalists', 'brazilian']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620529677.0057313  (2021-05-09 05:07:57)
                             'size'  4560896