======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '238'
                                          'artist'  'C418'
                                     'text_people'  ''
                                         'release'  'one'
                                           'title'  'the weirdest year of your life'
                                           '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-PLAY-3', 'q-bass-4', "
 "'Q-PIANO-2', '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'  '15'
                                      'tracktotal'  '31'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '140.335'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'one'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'the weirdest year of your life'
'TKEY' (Initial key)                                '10B'
'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)               '15/31'
'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-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['deepspaceone', 'minecraft', 'idm', 'electronic', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.502790'

========================== row from database ==========================
                                              'id'  984367
                                            'path'  /data/Music/Bulk/0soundtrack/C418/one/01-15 - the weirdest year of your life.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  238
                                           'genre'  soundtrack-game
                                        'filesize'  9524443
                                           'mtime'  1620332822
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 01 15 soundtrack game
                                      'tag_artist'  C418
                                     'tag_release'  one
                                       'tag_title'  the weirdest year of your life
                                             'bpm'  140.335
                                    'search_title'  'life':6 'of':4 'the':1 'weirdest':2 'year':3 'your':5
                                   'search_artist'  'c418':1
                                  'search_release'  'one':1
                                     'search_rest'  '0soundtrack':1 'game':3 'soundtrack':2
                                    'search_combo'  '0soundtrack':9 'c418':7B 'game':11 'life':6A 'of':4A 'one':8C 'soundtrack':10 'the':1A 'weirdest':2A 'year':3A 'your':5A
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-BUSY-1', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['deepspaceone', 'minecraft', 'idm', 'electronic', 'ambient']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620332821.755697  (2021-05-06 22:27:01)
                             'size'  9524443