======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '292'
                                          'artist'  'Madonna'
                                     'text_people'  ''
                                         'release'  'Like a Prayer'
                                           'title'  'Love Song'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', '80s', 'female vocalists', 'pop', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '105.532'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Like a Prayer'
'TBPM' (BPM (beats per minute))                     '105.532'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Love Song'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Madonna'
'TRCK' (Track number/Position in set)               '3'
'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'                                   ['dance', '80s', 'female vocalists', 'pop', 'electronic']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.65 dB'
'TXXX:replaygain_track_peak'                        '0.838579'

========================== row from database ==========================
                                              'id'  1317311
                                            'path'  /data/Music/Bulk/00poprockelectronic/album top 1000/0260 Madonna - Like A Prayer/Like a Prayer-03-Love Song.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  292
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  7022102
                                           'mtime'  1621696858
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic album top 1000 0260 A 03 electronic generic or radio unsorted
                                      'tag_artist'  Madonna
                                     'tag_release'  Like a Prayer
                                       'tag_title'  Love Song
                                             'bpm'  105.532
                                    'search_title'  'love':1 'song':2
                                   'search_artist'  'madonna':1
                                  'search_release'  'a':2 'like':1 'prayer':3
                                     'search_rest'  '00poprockelectronic':1 '0260':5 '1000':4 'a':6 'album':2 'electronic':7 'generic':8 'or':9 'radio':10 'top':3 'unsorted':11
                                    'search_combo'  '00poprockelectronic':7 '0260':11 '1000':10 'a':5C,12 'album':8 'electronic':13 'generic':14 'like':4C 'love':1A 'madonna':3B 'or':15 'prayer':6C 'radio':16 'song':2A 'top':9 'unsorted':17
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['dance', '80s', 'female vocalists', 'pop', 'electronic']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696857.716095  (2021-05-22 17:20:57)
                             'size'  7022102