======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '269'
                                          'artist'  'Brenda Russell'
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'Piano In The Dark'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'female vocalists', 'rnb', 'smooth jazz', 'rhythm and blues']"
                                     'discogstags'  "['tribal', 'techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '99.763'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '99.763'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Piano In The Dark'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Brenda Russell'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['tribal', 'techno', 'electronic']
'TXXX:lastfmtags'                                   ['soul', 'female vocalists', 'rnb', 'smooth jazz', 'rhythm and blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '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'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.834919'

========================== row from database ==========================
                                              'id'  1532577
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Brenda Russell - Piano In The Dark.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  269
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  4308368
                                           'mtime'  1620385267
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of 80_s electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  Brenda Russell
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  Piano In The Dark
                                             'bpm'  99.763
                                    'search_title'  'dark':4 'in':2 'piano':1 'the':3
                                   'search_artist'  'brenda':1 'russell':2
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':3 'billboard':14 'electronic':5 'generic':6 'of':2 'or':7 'pl':13 'radio':8 's':4 'set':10,12 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':11 '80':13 '80s':10C 'billboard':24 'brenda':5B 'dark':4A 'electronic':15 'generic':16 'hits':7C 'in':2A 'of':8C,12 'or':17 'piano':1A 'pl':23 'radio':18 'russell':6B 's':14 'set':20,22 'the':3A,9C 'unsorted':19,21
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'female vocalists', 'rnb', 'smooth jazz', 'rhythm and blues']
                                        'tag_date'  1985
                                     'discogstags'  ['tribal', 'techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620385266.7635155  (2021-05-07 13:01:06)
                             'size'  4308368