======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '418'
                                          'artist'  'Lifelike & Kris Menace'
                                     'text_people'  ''
                                         'release'  'miscitalo'
                                           'title'  "'Discopolis' [Chris Lake Bootl"
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['dance', 'house', 'french house', 'progressive house', 'electro', "
 "'electronic']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '124.775'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'miscitalo'
'TBPM' (BPM (beats per minute))                     '124.775'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "'Discopolis' [Chris Lake Bootl"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lifelike & Kris Menace'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'house', 'french house', 'progressive house', 'electro', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.19 dB'
'TXXX:replaygain_track_peak'                        '0.517132'

========================== row from database ==========================
                                              'id'  1421248
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Lifelike & Kris Menace__cifs44f9.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  418
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  10051737
                                           'mtime'  1620609568
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco Menace__cifs44f9 electronic we disco or
                                      'tag_artist'  Lifelike & Kris Menace
                                     'tag_release'  miscitalo
                                       'tag_title'  'Discopolis' [Chris Lake Bootl
                                             'bpm'  124.775
                                    'search_title'  'bootl':6 'chris':3,4 'discopolis':1,2 'lake':5
                                   'search_artist'  'kris':2 'lifelike':1 'menace':3
                                  'search_release'  'miscitalo':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 'cifs44f9':6 'disco':3 'electronic':7 'menace':5 'or':9 'waves':2 'we':8
                                    'search_combo'  '00disco':14 '00poprockelectronic':11 'bootl':6A 'chris':3A,4A 'cifs44f9':16 'disco':13 'discopolis':1A,2A 'electronic':17 'kris':8B 'lake':5A 'lifelike':7B 'menace':9B,15 'miscitalo':10C 'or':19 'waves':12 'we':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['dance', 'house', 'french house', 'progressive house', 'electro', 'electronic']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620609568.303503  (2021-05-10 03:19:28)
                             'size'  10051737