======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '194'
                                          'artist'  'Milli Vanilli'
                                     'text_people'  ''
                                         'release'  'The Power of Love (disc 1)'
                                           'title'  "Girl You Know It's True"
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'german', 'hip hop', 'pop', 'rnb']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '129.979'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Power of Love (disc 1)'
'TBPM' (BPM (beats per minute))                     '129.979'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         "Girl You Know It's True"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Milli Vanilli'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'german', 'hip hop', 'pop', 'rnb']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.512503'

========================== row from database ==========================
                                              'id'  1505556
                                            'path'  /data/Music/Bulk/00poprockelectronic/Milli Vanilli/Milli Vanilli__MBZ;#Milli Vanilli;#The Power of Love (disc 1);#12;#Girl You Know It_s True.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  194
                                           'genre'  electronic-generic or radio
                                        'filesize'  4681600
                                           'mtime'  1620571266
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Vanilli__MBZ;#Milli Vanilli;#The 1);#12;#Girl It_s electronic generic or radio
                                      'tag_artist'  Milli Vanilli
                                     'tag_release'  The Power of Love (disc 1)
                                       'tag_title'  Girl You Know It's True
                                             'bpm'  129.979
                                    'search_title'  'girl':1 'it':4 'its':6 'know':3 's':5 'true':7 'you':2
                                   'search_artist'  'milli':1 'vanilli':2
                                  'search_release'  '1':7,8 'disc':5,6 'love':4 'of':3 'power':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '1':12,15 '12':13,16 'electronic':20 'generic':21 'girl':14,17 'it':18 'mbz':3,6 'milli':4,7 'or':22 'radio':23 's':19 'the':9,11 'vanilli':2,5,8,10
                                    'search_combo'  '00poprockelectronic':18 '1':16C,17C,29,32 '12':30,33 'disc':14C,15C 'electronic':37 'generic':38 'girl':1A,31,34 'it':4A,35 'its':6A 'know':3A 'love':13C 'mbz':20,23 'milli':8B,21,24 'of':12C 'or':39 'power':11C 'radio':40 's':5A,36 'the':10C,26,28 'true':7A 'vanilli':9B,19,22,25,27 'you':2A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'german', 'hip hop', 'pop', 'rnb']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620571265.974648  (2021-05-09 16:41:05)
                             'size'  4681600