======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '232'
                                          'artist'  'AC/DC'
                                     'text_people'  ''
                                         'release'  'Live'
                                           'title'  'You Shook Me All Night Long'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['heavy metal', 'rock', 'hard rock', 'metal', 'classic rock']"
                                     'discogstags'  "['rock', 'hard rock', 'arena rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '136.828'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Live'
'TBPM' (BPM (beats per minute))                     '136.828'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'You Shook Me All Night Long'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'AC/DC'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'hard rock', 'arena rock']
'TXXX:lastfmtags'                                   ['heavy metal', 'rock', 'hard rock', 'metal', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.44 dB'
'TXXX:replaygain_track_peak'                        '0.397319'

========================== row from database ==========================
                                              'id'  1341085
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/AC-DC/MBZ;#ACDC;#Live;#11;#You Shook Me All Night Long.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  232
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3716532
                                           'mtime'  1637330270
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock MBZ;#ACDC;#Live;#11;#You ifs songwriter indie rock
                                      'tag_artist'  AC/DC
                                     'tag_release'  Live
                                       'tag_title'  You Shook Me All Night Long
                                             'bpm'  136.828
                                    'search_title'  'all':4 'long':6 'me':3 'night':5 'shook':2 'you':1
                                   'search_artist'  'ac':1 'acdc':3 'dc':2
                                  'search_release'  'live':1
                                     'search_rest'  '00poprockelectronic':1 '11':7,12 'acdc':5,10 'ifs':14 'indie':16 'indierock':3 'live':6,11 'mbz':4,9 'poprock':2 'rock':17 'songwriter':15 'you':8,13
                                    'search_combo'  '00poprockelectronic':11 '11':17,22 'ac':7B 'acdc':9B,15,20 'all':4A 'dc':8B 'ifs':24 'indie':26 'indierock':13 'live':10C,16,21 'long':6A 'mbz':14,19 'me':3A 'night':5A 'poprock':12 'rock':27 'shook':2A 'songwriter':25 'you':1A,18,23
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['heavy metal', 'rock', 'hard rock', 'metal', 'classic rock']
                                        'tag_date'  1980
                                     'discogstags'  ['rock', 'hard rock', 'arena rock']

============================== file details ==============================
                                           'mtime'  1637330270.3918784  (2021-11-19 14:57:50)
                             'size'  3716532