======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '210'
                                          'artist'  'Tiesto'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Dance For Life (feat. Maxi Jazz)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['trance', 'electronic', 'dance', 'techno', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '132.0'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '132.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Dance For Life (feat. Maxi Jazz)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tiesto'
'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'                                   ['trance', 'electronic', 'dance', 'techno', 'electronica']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.28 dB'
'TXXX:replaygain_track_peak'                        '0.582932'

========================== row from database ==========================
                                              'id'  1355445
                                            'path'  /data/Music/Bulk/00poprockelectronic/Faithless/Faithless Extras/Tiesto Feat. Maxi Jazz-Dance For Life.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  210
                                           'genre'  electronic-unsorted
                                        'filesize'  3365228
                                           'mtime'  1621696243
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Faithless Faithless Extras Feat. electronic unsorted
                                      'tag_artist'  Tiesto
                                     'tag_release'  None
                                       'tag_title'  Dance For Life (feat. Maxi Jazz)
                                             'bpm'  132.0
                                    'search_title'  'dance':1 'feat':4,5 'for':2 'jazz':7,8 'life':3 'maxi':6
                                   'search_artist'  'tiesto':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':6 'extras':3 'faithless':2 'feat':4,5 'unsorted':7
                                    'search_combo'  '00poprockelectronic':10 'dance':1A 'electronic':15 'extras':12 'faithless':11 'feat':4A,5A,13,14 'for':2A 'jazz':7A,8A 'life':3A 'maxi':6A 'tiesto':9B 'unsorted':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'electronic', 'dance', 'techno', 'electronica']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696242.6278281  (2021-05-22 17:10:42)
                             'size'  3365228