======================== unified (from filesystem) ========================
                                         'bitrate'  '199.53'
                                        'duration'  '258'
                                          'artist'  'Goran Bregović'
                                     'text_people'  ''
                                         'release'  'Songbook'
                                           'title'  'Man From Reno'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']"
                                     'discogstags'  ("['rock', 'folk, world, & country', 'stage & screen', 'soundtrack', 'folk "
 "rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-unsorted'
                                             'bpm'  '84.703'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Songbook'
'TBPM' (BPM (beats per minute))                     '84.703'
'TCON' (Content type, a.k.a. Genre)                 'ifs-unsorted'
'TIT2' (Title/songname/content description)         'Man From Reno'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Goran Bregović'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk, world, & country', 'stage & screen', 'soundtrack', 'folk rock']
'TXXX:lastfmtags'                                   ['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.72 dB'
'TXXX:replaygain_track_peak'                        '1.056697'

========================== row from database ==========================
                                              'id'  925500
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Goran Bregovic/Songbook 2000__cifs445d.mp3
                                         'working'  None
                                         'bitrate'  200
                                    'duration_sec'  258
                                           'genre'  ifs-unsorted
                                        'filesize'  6461440
                                           'mtime'  1647276824
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe Bregovic 2000__cifs445d ifs unsorted
                                      'tag_artist'  Goran Bregović
                                     'tag_release'  Songbook
                                       'tag_title'  Man From Reno
                                             'bpm'  84.703
                                    'search_title'  'from':2 'man':1 'reno':3
                                   'search_artist'  'bregovic':2,3 'goran':1
                                  'search_release'  'songbook':1
                                     'search_rest'  '00mid':1 '2000':5 'bregovic':4 'cifs445d':6 'europe':3 'ifs':7 'north':2 'unsorted':8
                                    'search_combo'  '00mid':8 '2000':12 'bregovic':5B,6B,11 'cifs445d':13 'europe':10 'from':2A 'goran':4B 'ifs':14 'man':1A 'north':9 'reno':3A 'songbook':7C 'unsorted':15
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']
                                      'lastfmtags'  ['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']
                                        'tag_date'  
                                     'discogstags'  ['rock', 'folk, world, & country', 'stage & screen', 'soundtrack', 'folk rock']

============================== file details ==============================
                                           'mtime'  1647276824.2416165  (2022-03-14 17:53:44)
                             'size'  6461440