======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '200'
                                          'artist'  'Rush Hour Soundtrack'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'War '
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '109.2'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:º\x0f\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xba\x0f\x00\x00')
'PRIV:PeakValue:sn\x00\x00'                         PRIV(owner='PeakValue', data=b'sn\x00\x00')
'TBPM' (BPM (beats per minute))                     '109.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'War '
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rush Hour Soundtrack'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.61 dB'
'TXXX:replaygain_track_peak'                        '0.513092'

========================== row from database ==========================
                                              'id'  1533541
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/DSA/Frankie Goes to Hollywood - War.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  200
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  4005843
                                           'mtime'  1620569077
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s DSA Frankie Goes to Hollywood electronic we disco or italo
                                      'tag_artist'  Rush Hour Soundtrack
                                     'tag_release'  None
                                       'tag_title'  War 
                                             'bpm'  109.2
                                    'search_title'  'war':1
                                   'search_artist'  'hour':2 'rush':1 'soundtrack':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'disco':2 'dsa':7 'electronic':12 'frankie':8 'goes':9 'hollywood':11 'italo':15 'or':14 's':4,6 'to':10 'we':13
                                    'search_combo'  '00poprockelectronic':5 '70':7 '80':9 'disco':6 'dsa':11 'electronic':16 'frankie':12 'goes':13 'hollywood':15 'hour':3B 'italo':19 'or':18 'rush':2B 's':8,10 'soundtrack':4B 'to':14 'war':1A 'we':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569076.7939205  (2021-05-09 16:04:36)
                             'size'  4005843