======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '95'
                                          'artist'  'Paul Kosty'
                                     'text_people'  ''
                                         'release'  'Rarest of the rare, vol. 16 (Memories of days gone by)'
                                           'title'  "Don't rock, let's roll"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-pop-early'
                                             'bpm'  '93.500'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Rarest of the rare, vol. 16 (Memories of days gone by)'
'TBPM' (BPM (beats per minute))                     '93.500'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early'
'TIT2' (Title/songname/content description)         "Don't rock, let's roll"
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Kosty'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'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'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.475525'

========================== row from database ==========================
                                              'id'  1501213
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/rarest of the rare vol 16 (memories of days gone by) fct mp556/20 - paul kosty - don_t rock, let_s roll.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  95
                                           'genre'  rock-pop-early
                                        'filesize'  1596250
                                           'mtime'  1620736567
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country rarest (memories fct mp556 20 paul kosty don_t let_s pop early
                                      'tag_artist'  Paul Kosty
                                     'tag_release'  Rarest of the rare, vol. 16 (Memories of days gone by)
                                       'tag_title'  Don't rock, let's roll
                                             'bpm'  93.5
                                    'search_title'  'don':1 'dont':3 'let':6 'lets':8 'rock':4,5 'roll':9 's':7 't':2
                                   'search_artist'  'kosty':2 'paul':1
                                  'search_release'  'by':12,13 'days':10 'gone':11 'memories':8,9 'of':2 'rare':4,5 'rarest':1 'the':3 'vol':6,7
                                     'search_rest'  '20':10 'country':4 'don':13 'early':18 'exotica':2 'fct':8 'jazz':1 'kosty':12 'let':15 'memories':6,7 'mp556':9 'oldies':3 'paul':11 'pop':17 'rarest':5 's':16 't':14
                                    'search_combo'  '20':34 'by':23C,24C 'country':28 'days':21C 'don':1A,37 'dont':3A 'early':42 'exotica':26 'fct':32 'gone':22C 'jazz':25 'kosty':11B,36 'let':6A,39 'lets':8A 'memories':19C,20C,30,31 'mp556':33 'of':13C 'oldies':27 'paul':10B,35 'pop':41 'rare':15C,16C 'rarest':12C,29 'rock':4A,5A 'roll':9A 's':7A,40 't':2A,38 'the':14C 'vol':17C,18C
                                    'tag_tracknum'  20
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736566.7164333  (2021-05-11 14:36:06)
                             'size'  1596250