======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '279'
                                          'artist'  'Z-Factor'
                                     'text_people'  ''
                                         'release'  'CBS Top 100 2004 Edition'
                                           'title'  'Fast Cars'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['house', 'electronic', 'synthpop', 'chicago', 'new wave']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '70'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '142.207'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'CBS Top 100 2004 Edition'
'TBPM' (BPM (beats per minute))                     '142.207'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Fast Cars'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Z-Factor'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '70'
'TXXX:Q-HAP'                                        '4'
'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'                                   ['house', 'electronic', 'synthpop', 'chicago', 'new wave']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.84 dB'
'TXXX:replaygain_track_peak'                        '0.346538'

========================== row from database ==========================
                                              'id'  1421749
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/CBS TOP 100 2004/070 - Z-Factor - Fast Cars - 042.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  279
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  4477872
                                           'mtime'  1620607960
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo TOP 070 042 electronic we disco italo
                                      'tag_artist'  Z-Factor
                                     'tag_release'  CBS Top 100 2004 Edition
                                       'tag_title'  Fast Cars
                                             'bpm'  142.207
                                    'search_title'  'cars':2 'fast':1
                                   'search_artist'  'factor':2 'z':1 'zfactor':3
                                  'search_release'  '100':3 '2004':4 'cbs':1 'edition':5 'top':2
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 'disco':3 'electronic':7 'italo':5 'top':6 'waves':2 'we':8
                                    'search_combo'  '00disco':14 '00poprockelectronic':11 '100':8C '2004':9C 'cars':2A 'cbs':6C 'disco':13 'edition':10C 'electronic':17 'factor':4B 'fast':1A 'italo':15 'top':7C,16 'waves':12 'we':18 'z':3B 'zfactor':5B
                                    'tag_tracknum'  70
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', '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-1', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['house', 'electronic', 'synthpop', 'chicago', 'new wave']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620607960.418957  (2021-05-10 02:52:40)
                             'size'  4477872