======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '1615'
                                          'artist'  'Morton Subotnick'
                                     'text_people'  ''
                                         'release'  'The Double Life of Amphibians'
                                           'title'  'Subotnick 07 Wild Beasts'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  ("['contemporary classical', 'electronic', 'electroacoustic', 'avant garde', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '141.4'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Double Life of Amphibians'
'TBPM' (BPM (beats per minute))                     '141.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Subotnick 07 Wild Beasts'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Morton Subotnick'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['contemporary classical',
 'electronic',
 'electroacoustic',
 'avant garde',
 'experimental']
'TXXX:q-bass'                                       '1'
'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-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+5.62 dB'
'TXXX:replaygain_track_peak'                        '0.870617'

========================== row from database ==========================
                                              'id'  1376905
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Morton Subotnick - The Double Life of Amphibians/07 Subotnick 07 Wild Beasts.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  1615
                                           'genre'  electronic-experimental
                                        'filesize'  38822706
                                           'mtime'  1621867434
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm electronic experimental
                                      'tag_artist'  Morton Subotnick
                                     'tag_release'  The Double Life of Amphibians
                                       'tag_title'  Subotnick 07 Wild Beasts
                                             'bpm'  141.4
                                    'search_title'  'beasts':3 'subotnick':1 'wild':2
                                   'search_artist'  'morton':1 'subotnick':2
                                  'search_release'  'amphibians':5 'double':2 'life':3 'of':4 'the':1
                                     'search_rest'  'electronic':1 'experimental':2
                                    'search_combo'  'amphibians':10C 'beasts':3A 'double':7C 'electronic':11 'experimental':12 'life':8C 'morton':4B 'of':9C 'subotnick':1A,5B 'the':6C 'wild':2A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'electronic', 'electroacoustic', 'avant garde', 'experimental']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621867434.306116  (2021-05-24 16:43:54)
                             'size'  38822706