======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '318'
                                          'artist'  'Madonna'
                                     'text_people'  ''
                                         'release'  'Like a Prayer'
                                           'title'  'Till Death Do Us Part'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', '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'  '4'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '95.799'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Like a Prayer'
'TBPM' (BPM (beats per minute))                     '95.799'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Till Death Do Us Part'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Madonna'
'TRCK' (Track number/Position in set)               '4'
'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'                                       '3'
'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'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.853178'

========================== row from database ==========================
                                              'id'  1286135
                                            'path'  /data/Music/Bulk/00poprockelectronic/album top 1000/0260 Madonna - Like A Prayer/Like a Prayer-04-Till Death Do Us Part.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  318
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  7642634
                                           'mtime'  1621696858
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic album top 1000 0260 A 04 electronic generic or radio unsorted
                                      'tag_artist'  Madonna
                                     'tag_release'  Like a Prayer
                                       'tag_title'  Till Death Do Us Part
                                             'bpm'  95.799
                                    'search_title'  'death':2 'do':3 'part':5 'till':1 'us':4
                                   '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':10 '0260':14 '1000':13 'a':8C,15 'album':11 'death':2A 'do':3A 'electronic':16 'generic':17 'like':7C 'madonna':6B 'or':18 'part':5A 'prayer':9C 'radio':19 'till':1A 'top':12 'unsorted':20 'us':4A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', '80s', 'female vocalists', 'pop', 'electronic']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696857.7697968  (2021-05-22 17:20:57)
                             'size'  7642634