======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '212'
                                          'artist'  'Night People'
                                     'text_people'  ''
                                         'release'  "Best Ever Top 100 90's"
                                           'title'  'In the Night'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3']")
                                      'lastfmtags'  '[\'eurodance\', \'90s\', \'post-punk\', \'deathrock\', "90\'s"]'
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '140.238'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Best Ever Top 100 90's"
'TBPM' (BPM (beats per minute))                     '140.238'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'lacadau'
'TIT2' (Title/songname/content description)         'In the Night'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Night People'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['eurodance', '90s', 'post-punk', 'deathrock', "90's"]
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.438323'

========================== row from database ==========================
                                              'id'  1282093
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/64_In_the_Night.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  212
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  8520447
                                           'mtime'  1621696052
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 64_In_the_Night electronic generic or radio unsorted
                                      'tag_artist'  Night People
                                     'tag_release'  Best Ever Top 100 90's
                                       'tag_title'  In the Night
                                             'bpm'  140.238
                                    'search_title'  'in':1 'night':3 'the':2
                                   'search_artist'  'night':1 'people':2
                                  'search_release'  '100':4 '90':5 '90s':7 'best':1 'ever':2 's':6 'top':3
                                     'search_rest'  '00poprockelectronic':1 '64':3 '90s':2 'electronic':7 'generic':8 'in':4 'night':6 'or':9 'radio':10 'the':5 'unsorted':11
                                    'search_combo'  '00poprockelectronic':13 '100':9C '64':15 '90':10C '90s':12C,14 'best':6C 'electronic':19 'ever':7C 'generic':20 'in':1A,16 'night':3A,4B,18 'or':21 'people':5B 'radio':22 's':11C 'the':2A,17 'top':8C 'unsorted':23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['eurodance', '90s', 'post-punk', 'deathrock', "90's"]
                                        'tag_date'  1995
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1621696051.7735975  (2021-05-22 17:07:31)
                             'size'  8520447