======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '140'
                                          'artist'  'Astrud gilberto'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Agua de Beber'
                                           '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-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', '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'  '1990'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '145.371'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:+\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'+\x0e\x00\x00')
'PRIV:PeakValue:Eb\x00\x00'                         PRIV(owner='PeakValue', data=b'Eb\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '145.371'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Agua de Beber'
'TKEY' (Initial key)                                '8A'
'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'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.72 dB'
'TXXX:replaygain_track_peak'                        '0.767766'

========================== row from database ==========================
                                              'id'  851162
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/ASTRUD en BEBEL GILBERTO/Astrud Gilberto & Tom Jobim - Bossa Nova Brasil - Agua De Beber.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  140
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  2807992
                                           'mtime'  1620528081
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country ASTRUD en BEBEL GILBERTO Gilberto & Tom Jobim Bossa Nova Brasil De prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Astrud gilberto
                                     'tag_release'  None
                                       'tag_title'  Agua de Beber
                                             'bpm'  145.371
                                    'search_title'  'agua':1 'beber':3 'de':2
                                   'search_artist'  'astrud':1 'gilberto':2
                                  'search_release'  
                                     'search_rest'  'astrud':5 'bebel':7 'bossa':11 'brasil':13 'country':4 'de':14 'en':6 'exotica':2 'gilberto':8 'jazz':1 'jb':16 'jobim':10 'lounge':17 'nova':12 'oldies':3 'or':18 'prerock':15 'tom':9
                                    'search_combo'  'agua':1A 'astrud':4B,10 'bebel':12 'beber':3A 'bossa':16 'brasil':18 'country':9 'de':2A,19 'en':11 'exotica':7 'gilberto':5B,13 'jazz':6 'jb':21 'jobim':15 'lounge':22 'nova':17 'oldies':8 'or':23 'prerock':20 'tom':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['bossa nova', 'fip', 'latin', 'jazz', 'female vocalists', 'brazilian']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528081.1672187  (2021-05-09 04:41:21)
                             'size'  2807992