======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '329'
                                          'artist'  'Chic'
                                     'text_people'  ''
                                         'release'  'miscitalo'
                                           'title'  'Le Freak'
                                           'quals'  ("['Q-HAP-4', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', '70s', 'soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '118.359'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'miscitalo'
'TBPM' (BPM (beats per minute))                     '118.359'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         'Le Freak'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chic'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', '70s', 'soul', 'funk', 'disco']
'TXXX:q-bass'                                       '3'
'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'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.70 dB'
'TXXX:replaygain_track_peak'                        '0.693570'

========================== row from database ==========================
                                              'id'  1419538
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Chic/MBZ;#Chic;#Boogie Nights;#12;#Le Freak.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  329
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  7922662
                                           'mtime'  1620608941
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco MBZ;#Chic;#Boogie Nights;#12;#Le electronic we disco or
                                      'tag_artist'  Chic
                                     'tag_release'  miscitalo
                                       'tag_title'  Le Freak
                                             'bpm'  118.359
                                    'search_title'  'freak':2 'le':1
                                   'search_artist'  'chic':1
                                  'search_release'  'miscitalo':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '12':12,15 'boogie':7,10 'chic':6,9 'disco':3 'electronic':17 'le':13,16 'mbz':5,8 'nights':11,14 'or':19 'waves':2 'we':18
                                    'search_combo'  '00disco':8 '00poprockelectronic':5 '12':16,19 'boogie':11,14 'chic':3B,10,13 'disco':7 'electronic':21 'freak':2A 'le':1A,17,20 'mbz':9,12 'miscitalo':4C 'nights':15,18 'or':23 'waves':6 'we':22
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['dance', '70s', 'soul', 'funk', 'disco']
                                        'tag_date'  1978
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620608940.7459998  (2021-05-10 03:09:00)
                             'size'  7922662