======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '128'
                                          'artist'  'Betty Johnson'
                                     'text_people'  ''
                                         'release'  'Love Walked In'
                                           'title'  'I Dreamed'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hot rockin girl', 'entschleunigen', '50s', 'rockabilly', 'rock']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '080'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rockabilly'
                                             'bpm'  '110.724'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Love Walked In'
'TBPM' (BPM (beats per minute))                     '110.724'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rockabilly'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'I Dreamed'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '128000'
'TPE1' (Lead performer(s)/Soloist(s))               'Betty Johnson'
'TRCK' (Track number/Position in set)               '080'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['hot rockin girl', 'entschleunigen', '50s', 'rockabilly', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.46 dB'
'TXXX:replaygain_track_peak'                        '0.421660'

========================== row from database ==========================
                                              'id'  1454441
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-080 - Betty Johnson - I Dreamed.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  128
                                           'genre'  rock-pop-early-rockabilly
                                        'filesize'  5145913
                                           'mtime'  1622659471
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 1957 080 rock pop early rockabilly
                                      'tag_artist'  Betty Johnson
                                     'tag_release'  Love Walked In
                                       'tag_title'  I Dreamed
                                             'bpm'  110.724
                                    'search_title'  'dreamed':2 'i':1
                                   'search_artist'  'betty':1 'johnson':2
                                  'search_release'  'in':3 'love':1 'walked':2
                                     'search_rest'  '00oldiepop':5 '1957':6 'country':4 'early':9 'exotica':2 'jazz':1 'oldies':3 'pop':8 'rock':7 'rockabilly':10
                                    'search_combo'  '00oldiepop':12 '1957':13 'betty':3B 'country':11 'dreamed':2A 'early':16 'exotica':9 'i':1A 'in':7C 'jazz':8 'johnson':4B 'love':5C 'oldies':10 'pop':15 'rock':14 'rockabilly':17 'walked':6C
                                    'tag_tracknum'  80
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hot rockin girl', 'entschleunigen', '50s', 'rockabilly', 'rock']
                                        'tag_date'  1957
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1622659470.720908  (2021-06-02 20:44:30)
                             'size'  5145913