======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '91'
                                          'artist'  'C418'
                                     'text_people'  ''
                                         'release'  'one'
                                           'title'  'lost cousins'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['deepspaceone', 'minecraft', 'idm', 'electronic', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '31'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '107.151'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'one'
'TBPM' (BPM (beats per minute))                     '107.151'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'lost cousins'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'C418'
'TPE2' (Band/orchestra/accompaniment)               'C418'
'TPOS' (Part of a set)                              '01/01'
'TRCK' (Track number/Position in set)               '12/31'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame3.99'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['deepspaceone', 'minecraft', 'idm', 'electronic', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.502118'

========================== row from database ==========================
                                              'id'  984106
                                            'path'  /data/Music/Bulk/0soundtrack/C418/one/01-12 - lost cousins.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  91
                                           'genre'  soundtrack-game
                                        'filesize'  3682382
                                           'mtime'  1642081776
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 01 12 soundtrack game
                                      'tag_artist'  C418
                                     'tag_release'  one
                                       'tag_title'  lost cousins
                                             'bpm'  107.151
                                    'search_title'  'cousins':2 'lost':1
                                   'search_artist'  'c418':1
                                  'search_release'  'one':1
                                     'search_rest'  '0soundtrack':1 'game':3 'soundtrack':2
                                    'search_combo'  '0soundtrack':5 'c418':3B 'cousins':2A 'game':7 'lost':1A 'one':4C 'soundtrack':6
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['deepspaceone', 'minecraft', 'idm', 'electronic', 'ambient']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1642081775.718993  (2022-01-13 14:49:35)
                             'size'  3682382