======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '382'
                                          'artist'  'Mr. Gasmask & Acidolido'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Koppuptzektor'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-3', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['acid']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '130.0'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '130.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TIT2' (Title/songname/content description)         'Koppuptzektor'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mr. Gasmask & Acidolido'
'TXXX:Mp3gain_minmax'                               '122,191'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'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:lastfmtags'                                   'acid'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.91 dB'
'TXXX:replaygain_track_peak'                        '0.636580'

========================== row from database ==========================
                                              'id'  762661
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/acidolido/MrGasmask&Acidolido-Korruptzektor.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  382
                                           'genre'  electronic-th-techno
                                        'filesize'  9186312
                                           'mtime'  1620521296
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm acidolido MrGasmask&Acidolido Korruptzektor electronic th techno
                                      'tag_artist'  Mr. Gasmask & Acidolido
                                     'tag_release'  None
                                       'tag_title'  Koppuptzektor
                                             'bpm'  130.0
                                    'search_title'  'koppuptzektor':1
                                   'search_artist'  'acidolido':4 'gasmask':3 'mr':1,2
                                  'search_release'  
                                     'search_rest'  'acidolido':1,3,11 'electronic':6 'gasmask':10 'gasmaskacidolido':12 'korruptzektor':5 'mr':9 'mrgasmask':2 'mrgasmaskacidolido':4 'techno':8 'th':7
                                    'search_combo'  'acidolido':5B,6,8,16 'electronic':11 'gasmask':4B,15 'gasmaskacidolido':17 'koppuptzektor':1A 'korruptzektor':10 'mr':2B,3B,14 'mrgasmask':7 'mrgasmaskacidolido':9 'techno':13 'th':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['acid']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521295.5999894  (2021-05-09 02:48:15)
                             'size'  9186312