======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '448'
                                          'artist'  'Bob Sinclair'
                                     'text_people'  ''
                                         'release'  'World Hold On'
                                           'title'  'World Hold On (David Guetta &'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-3', '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-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['house', 'dance', 'electronic', 'french', 'club']"
                                     'discogstags'  "['blues', 'chanson', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '126.806'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'World Hold On'
'TBPM' (BPM (beats per minute))                     '126.806'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'World Hold On (David Guetta &'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Sinclair'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['blues', 'chanson', 'pop']
'TXXX:lastfmtags'                                   ['house', 'dance', 'electronic', 'french', 'club']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.15 dB'
'TXXX:replaygain_track_peak'                        '0.356182'

========================== row from database ==========================
                                              'id'  1456573
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/00mixable/Bob Sinclar Feat Steve Edwards/02. World Hold On (David Guetta & Joachim Garraud Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  448
                                           'genre'  electronic-unsorted
                                        'filesize'  17939640
                                           'mtime'  1621630010
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 00mixable Sinclar Feat Steve Edwards 02. Joachim Garraud Remix) electronic unsorted
                                      'tag_artist'  Bob Sinclair
                                     'tag_release'  World Hold On
                                       'tag_title'  World Hold On (David Guetta &
                                             'bpm'  126.806
                                    'search_title'  'david':4,5 'guetta':6 'hold':2 'on':3 'world':1
                                   'search_artist'  'bob':1 'sinclair':2
                                  'search_release'  'hold':2 'on':3 'world':1
                                     'search_rest'  '00mixable':5 '00poprockelectronic':1 '02':10,11 'dance':3 'edwards':9 'electronic':16 'feat':7 'garraud':13 'generic':2 'joachim':12 'remix':14,15 'sinclar':6 'steve':8 'trapbeat':4 'unsorted':17
                                    'search_combo'  '00mixable':16 '00poprockelectronic':12 '02':21,22 'bob':7B 'dance':14 'david':4A,5A 'edwards':20 'electronic':27 'feat':18 'garraud':24 'generic':13 'guetta':6A 'hold':2A,10C 'joachim':23 'on':3A,11C 'remix':25,26 'sinclair':8B 'sinclar':17 'steve':19 'trapbeat':15 'unsorted':28 'world':1A,9C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', '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-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['house', 'dance', 'electronic', 'french', 'club']
                                        'tag_date'  2006
                                     'discogstags'  ['blues', 'chanson', 'pop']

============================== file details ==============================
                                           'mtime'  1621630009.9267313  (2021-05-21 22:46:49)
                             'size'  17939640