======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '104'
                                          'artist'  'The Ramones'
                                     'text_people'  ''
                                         'release'  'Acid Eaters'
                                           'title'  "Surfin' Safari"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'punk', '70s', 'classic rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '126.885'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Acid Eaters'
'TBPM' (BPM (beats per minute))                     '126.885'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TIT2' (Title/songname/content description)         "Surfin' Safari"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Ramones'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['punk rock', 'punk', '70s', 'classic rock', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.23 dB'
'TXXX:replaygain_track_peak'                        '0.618672'

========================== row from database ==========================
                                              'id'  1521368
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/The Ramones/The Ramones__MBZ;#The Ramones;#Acid Eaters;#13;#Surfin_ Safari.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  104
                                           'genre'  rock-gr-punk
                                        'filesize'  1670994
                                           'mtime'  1622659192
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Ramones__MBZ;#The Ramones;#Acid Eaters;#13;#Surfin_ rock gr punk
                                      'tag_artist'  The Ramones
                                     'tag_release'  Acid Eaters
                                       'tag_title'  Surfin' Safari
                                             'bpm'  126.885
                                    'search_title'  'safari':3 'surfin':1,2
                                   'search_artist'  'ramones':2 'the':1
                                  'search_release'  'acid':1 'eaters':2
                                     'search_rest'  '13':16,19 'acid':12,14 'eaters':15,18 'garage':2 'gr':22 'mbz':6,9 'punk':1 'ramones':5,8,11,13 'rock':21 'stoner':4 'surf':3 'surfin':17,20 'the':7,10
                                    'search_combo'  '13':23,26 'acid':6C,19,21 'eaters':7C,22,25 'garage':9 'gr':29 'mbz':13,16 'punk':8 'ramones':5B,12,15,18,20 'rock':28 'safari':3A 'stoner':11 'surf':10 'surfin':1A,2A,24,27 'the':4B,14,17
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'punk', '70s', 'classic rock', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659192.15561  (2021-06-02 20:39:52)
                             'size'  1670994