======================== unified (from filesystem) ========================
                                         'bitrate'  '319.725'
                                        'duration'  '37'
                                          'artist'  'Panic! At The Disco'
                                     'text_people'  ''
                                         'release'  "A Fever You Can't Sweat Out"
                                           'title'  'Introduction'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative rock', 'alternative', 'pop punk', 'rock']"
                                     'discogstags'  "['electronic', 'rock', 'emo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '119.7'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "A Fever You Can't Sweat Out"
'TBPM' (BPM (beats per minute))                     '119.7'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Introduction'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Panic! At The Disco'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'rock', 'emo']
'TXXX:lastfmtags'                                   ['indie', 'alternative rock', 'alternative', 'pop punk', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.04 dB'
'TXXX:replaygain_track_peak'                        '0.999835'

========================== row from database ==========================
                                              'id'  1526997
                                            'path'  /data/Music/Bulk/00poprockelectronic/Panic! At the Disco/A Fever You Can_t Sweat Out/01 - Introduction.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  37
                                           'genre'  rock-gr-punk
                                        'filesize'  1492864
                                           'mtime'  1622659291
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic the Can_t 01 rock gr punk
                                      'tag_artist'  Panic! At The Disco
                                     'tag_release'  A Fever You Can't Sweat Out
                                       'tag_title'  Introduction
                                             'bpm'  119.7
                                    'search_title'  'introduction':1
                                   'search_artist'  'at':2 'disco':4 'panic':1 'the':3
                                  'search_release'  'a':1 'can':4 'cant':6 'fever':2 'out':8 'sweat':7 't':5 'you':3
                                     'search_rest'  '00poprockelectronic':1 'can':3 'gr':6 'punk':7 'rock':5 't':4 'the':2
                                    'search_combo'  '00poprockelectronic':14 'a':6C 'at':3B 'can':9C,16 'cant':11C 'disco':5B 'fever':7C 'gr':19 'introduction':1A 'out':13C 'panic':2B 'punk':20 'rock':18 'sweat':12C 't':10C,17 'the':4B,15 'you':8C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['indie', 'alternative rock', 'alternative', 'pop punk', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'rock', 'emo']

============================== file details ==============================
                                           'mtime'  1622659291.3005078  (2021-06-02 20:41:31)
                             'size'  1492864