======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '259'
                                          'artist'  'Chicks on speed'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'female vocalists', 'electroclash', 'electronic', 'electro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-we-electroclash'
                                             'bpm'  '84.7'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '84.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electroclash'
'TDRC' (Recording time)                             '2000'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chicks on speed'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'female vocalists', 'electroclash', 'electronic', 'electro']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.69 dB'
'TXXX:replaygain_track_peak'                        '0.490390'

========================== row from database ==========================
                                              'id'  1422415
                                            'path'  /data/Music/Bulk/00poprockelectronic/00clash/Chicks on Speed/Chicks on speed/chicks on speed - with Miss Kitten.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  259
                                           'genre'  electronic-we-electroclash
                                        'filesize'  4157685
                                           'mtime'  1642081904
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00clash Speed chicks with Miss Kitten electronic we electroclash
                                      'tag_artist'  Chicks on speed
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  84.7
                                    'search_title'  None
                                   'search_artist'  'chicks':1 'on':2 'speed':3
                                  'search_release'  
                                     'search_rest'  '00clash':2 '00poprockelectronic':1 'chicks':4 'electroclash':10 'electronic':8 'kitten':7 'miss':6 'speed':3 'we':9 'with':5
                                    'search_combo'  '00clash':5 '00poprockelectronic':4 'chicks':1B,7 'electroclash':13 'electronic':11 'kitten':10 'miss':9 'on':2B 'speed':3B,6 'we':12 'with':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-4', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']
                                      'lastfmtags'  ['electronica', 'female vocalists', 'electroclash', 'electronic', 'electro']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642081903.7846074  (2022-01-13 14:51:43)
                             'size'  4157685