======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '218'
                                          'artist'  'Mati Special'
                                     'text_people'  ''
                                         'release'  'Rocking 80s'
                                           'title'  'Cold Days Hot Nights'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '117.740'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rocking 80s'
'TBPM' (BPM (beats per minute))                     '117.740'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Cold Days Hot Nights'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mati Special'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.516743'

========================== row from database ==========================
                                              'id'  1331583
                                            'path'  /data/Music/Bulk/00poprockelectronic/Mati Special/Mati Special__Rocking 80s__Cold Days Hot Nights.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  218
                                           'genre'  
                                        'filesize'  5255176
                                           'mtime'  1652397906
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Special__Rocking 80s__Cold
                                      'tag_artist'  Mati Special
                                     'tag_release'  Rocking 80s
                                       'tag_title'  Cold Days Hot Nights
                                             'bpm'  117.74
                                    'search_title'  'cold':1 'days':2 'hot':3 'nights':4
                                   'search_artist'  'mati':1 'special':2
                                  'search_release'  '80s':2 'rocking':1
                                     'search_rest'  '00poprockelectronic':1 '80s':4 'cold':5 'rocking':3 'special':2
                                    'search_combo'  '00poprockelectronic':9 '80s':8C,12 'cold':1A,13 'days':2A 'hot':3A 'mati':5B 'nights':4A 'rocking':7C,11 'special':6B,10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  []
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397905.6341975  (2022-05-13 01:25:05)
                             'size'  5255176