======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '225'
                                          'artist'  'Village People'
                                     'text_people'  ''
                                         'release'  'miscitalo'
                                           'title'  'Y.M.C.A.'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['oldies', 'dance', 'pop', '70s', '80s', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '126.726'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'miscitalo'
'TBPM' (BPM (beats per minute))                     '126.726'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1979'
'TIT2' (Title/songname/content description)         'Y.M.C.A.'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Village People'
'TRCK' (Track number/Position in set)               '3'
'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:lastfmtags'                                   ['oldies', 'dance', 'pop', '70s', '80s', 'disco']
'TXXX:q-bass'                                       '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.461913'

========================== row from database ==========================
                                              'id'  1418940
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/MBZ;#The Village People;#The Best of Village People;#01;#YMCA.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  225
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  5402511
                                           'mtime'  1620609575
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco MBZ;#The People;#The Best of People;#01;#YMCA electronic we disco or
                                      'tag_artist'  Village People
                                     'tag_release'  miscitalo
                                       'tag_title'  Y.M.C.A.
                                             'bpm'  126.726
                                    'search_title'  'a':4 'c':3 'm':2 'y':1 'ymca':5
                                   'search_artist'  'people':2 'village':1
                                  'search_release'  'miscitalo':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '01':16,19 'best':13 'disco':3 'electronic':21 'mbz':5,7 'of':14 'or':23 'people':9,11,15,18 'the':6,8,10,12 'waves':2 'we':22 'ymca':17,20
                                    'search_combo'  '00disco':12 '00poprockelectronic':9 '01':24,27 'a':4A 'best':21 'c':3A 'disco':11 'electronic':29 'm':2A 'mbz':13,15 'miscitalo':8C 'of':22 'or':31 'people':7B,17,19,23,26 'the':14,16,18,20 'village':6B 'waves':10 'we':30 'y':1A 'ymca':5A,25,28
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'Q-HAP-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['oldies', 'dance', 'pop', '70s', '80s', 'disco']
                                        'tag_date'  1979
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620609574.600835  (2021-05-10 03:19:34)
                             'size'  5402511