======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '129'
                                          'artist'  'Czerwone Gitary'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Kwiaty We Wlosach'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['60s', 'rock n roll', 'rock', 'polish', 'polskie', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '114.092'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '114.092'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Kwiaty We Wlosach'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Czerwone Gitary'
'TPE2' (Band/orchestra/accompaniment)               'Czerwone Gitary'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['60s', 'rock n roll', 'rock', 'polish', 'polskie', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.68 dB'
'TXXX:replaygain_track_peak'                        '0.401475'

========================== row from database ==========================
                                              'id'  1297000
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Czerwone Gitary - Kwiaty We Wlosach [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  129
                                           'genre'  rock-cppex
                                        'filesize'  3100672
                                           'mtime'  1652397951
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] [] rock cppex
                                      'tag_artist'  Czerwone Gitary
                                     'tag_release'  None
                                       'tag_title'  Kwiaty We Wlosach
                                             'bpm'  114.092
                                    'search_title'  'kwiaty':1 'we':2 'wlosach':3
                                   'search_artist'  'czerwone':1 'gitary':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'cppex':8 'files':5,6 'loose':3,4 'rock':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 'cppex':13 'czerwone':4B 'files':10,11 'gitary':5B 'kwiaty':1A 'loose':8,9 'rock':12 'unsorted':7 'we':2A 'wlosach':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['60s', 'rock n roll', 'rock', 'polish', 'polskie', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397951.3808072  (2022-05-13 01:25:51)
                             'size'  3100672