======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '394'
                                          'artist'  'C418'
                                     'text_people'  ''
                                         'release'  'one'
                                           'title'  'surface pension'
                                           'quals'  ("['Q-OLDST-3', 'Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'Q-BUSY-1', 'Q-GRIT-1', 'q-syn-2', 'q-bass-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['deepspaceone', 'minecraft', 'idm', 'electronic', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '31'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '105.974'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'one'
'TBPM' (BPM (beats per minute))                     '105.974'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'surface pension'
'TKEY' (Initial key)                                '9A'
'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)               '02/31'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame3.99'
'TXXX:Q-BUSY'                                       '1'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['deepspaceone', 'minecraft', 'idm', 'electronic', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.424813'

========================== row from database ==========================
                                              'id'  984595
                                            'path'  /data/Music/Bulk/0soundtrack/C418/one/01-02 - surface pension.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  394
                                           'genre'  soundtrack-game
                                        'filesize'  15769767
                                           'mtime'  1620332819
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 01 02 soundtrack game
                                      'tag_artist'  C418
                                     'tag_release'  one
                                       'tag_title'  surface pension
                                             'bpm'  105.974
                                    'search_title'  'pension':2 'surface':1
                                   'search_artist'  'c418':1
                                  'search_release'  'one':1
                                     'search_rest'  '0soundtrack':1 'game':3 'soundtrack':2
                                    'search_combo'  '0soundtrack':5 'c418':3B 'game':7 'one':4C 'pension':2A 'soundtrack':6 'surface':1A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-BUSY-1', 'Q-HAP-3', 'q-bass-3']
                                      'lastfmtags'  ['deepspaceone', 'minecraft', 'idm', 'electronic', 'ambient']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620332819.4006224  (2021-05-06 22:26:59)
                             'size'  15769767