======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '281'
                                          'artist'  'Sweet Power'
                                     'text_people'  ''
                                         'release'  'Hits On 33 (Single)'
                                           'title'  'Hits On 33 (Medley 1)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'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'  '1'
                                      'tracktotal'  ''
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '124.087'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits On 33 (Single)'
'TBPM' (BPM (beats per minute))                     '124.087'
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         'Hits On 33 (Medley 1)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sweet Power'
'TRCK' (Track number/Position in set)               '1'
'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'                        '-0.33 dB'
'TXXX:replaygain_track_peak'                        '0.612152'

========================== row from database ==========================
                                              'id'  1313931
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/cifsda7b.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  281
                                           'genre'  
                                        'filesize'  6757850
                                           'mtime'  1652397991
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] cifsda7b
                                      'tag_artist'  Sweet Power
                                     'tag_release'  Hits On 33 (Single)
                                       'tag_title'  Hits On 33 (Medley 1)
                                             'bpm'  124.087
                                    'search_title'  '1':6,7 '33':3 'hits':1 'medley':4,5 'on':2
                                   'search_artist'  'power':2 'sweet':1
                                  'search_release'  '33':3 'hits':1 'on':2 'single':4,5
                                     'search_rest'  '00poprockelectronic':1 'cifsda7b':7 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':15 '1':6A,7A '33':3A,12C 'cifsda7b':21 'files':19,20 'hits':1A,10C 'loose':17,18 'medley':4A,5A 'on':2A,11C 'power':9B 'single':13C,14C 'sweet':8B 'unsorted':16
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', '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'  1981
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397991.0944533  (2022-05-13 01:26:31)
                             'size'  6757850