======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '286'
                                          'artist'  'Robbie Williams & Kylie Minogu'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Kids'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['pop', 'robbie williams', 'dance', 'rock', 'kylie minogue']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '122.7'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '122.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TIT2' (Title/songname/content description)         'Kids'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Robbie Williams & Kylie Minogu'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'robbie williams', 'dance', 'rock', 'kylie minogue']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.327713'

========================== row from database ==========================
                                              'id'  1307568
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kylie Minogue/Kylie Minogue_/Robbie Williams & Kylie Minogue - Kids.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  286
                                           'genre'  electronic-generic or radio
                                        'filesize'  6891136
                                           'mtime'  1630250291
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Minogue Minogue_ Minogue electronic generic or radio
                                      'tag_artist'  Robbie Williams & Kylie Minogu
                                     'tag_release'  None
                                       'tag_title'  Kids
                                             'bpm'  122.7
                                    'search_title'  'kids':1
                                   'search_artist'  'kylie':3 'minogu':4 'robbie':1 'williams':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':4 'generic':5 'minogue':2,3 'or':6 'radio':7
                                    'search_combo'  '00poprockelectronic':6 'electronic':9 'generic':10 'kids':1A 'kylie':4B 'minogu':5B 'minogue':7,8 'or':11 'radio':12 'robbie':2B 'williams':3B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'robbie williams', 'dance', 'rock', 'kylie minogue']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630250291.1995394  (2021-08-29 17:18:11)
                             'size'  6891136