======================== unified (from filesystem) ========================
                                         'bitrate'  '185.88'
                                        'duration'  '315'
                                          'artist'  'Calvin Harris'
                                     'text_people'  ''
                                         'release'  'I Created Disco'
                                           'title'  'The Girls'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'electronica', 'electro', 'electronic', 'disco']"
                                     'discogstags'  "['electronic', 'pop', 'house', 'electro', 'synth-pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '128.008'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'I Created Disco'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'The Girls'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Calvin Harris'
'TRCK' (Track number/Position in set)               '4'
'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', 'pop', 'house', 'electro', 'synth-pop', 'disco']
'TXXX:lastfmtags'                                   ['dance', 'electronica', 'electro', 'electronic', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.375558'

========================== row from database ==========================
                                              'id'  1420716
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Calvin Harris/Calvin Harris - I Created Disco - 04 - The Girls.mp3
                                         'working'  None
                                         'bitrate'  185
                                    'duration_sec'  315
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  7330877
                                           'mtime'  1620608734
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo 04 electronic we disco or italo
                                      'tag_artist'  Calvin Harris
                                     'tag_release'  I Created Disco
                                       'tag_title'  The Girls
                                             'bpm'  128.008
                                    'search_title'  'girls':2 'the':1
                                   'search_artist'  'calvin':1 'harris':2
                                  'search_release'  'created':2 'disco':3 'i':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 'disco':3 'electronic':6 'italo':5 'or':8 'waves':2 'we':7
                                    'search_combo'  '00disco':11 '00poprockelectronic':8 'calvin':3B 'created':6C 'disco':7C,10 'electronic':13 'girls':2A 'harris':4B 'i':5C 'italo':12 'or':15 'the':1A 'waves':9 'we':14
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['dance', 'electronica', 'electro', 'electronic', 'disco']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'pop', 'house', 'electro', 'synth-pop', 'disco']

============================== file details ==============================
                                           'mtime'  1620608734.0526493  (2021-05-10 03:05:34)
                             'size'  7330877