======================== unified (from filesystem) ========================
                                         'bitrate'  '159.988'
                                        'duration'  '349'
                                          'artist'  'Glenn Frey'
                                     'text_people'  ''
                                         'release'  'Billboard Top 100 - 1985'
                                           'title'  'You Belong to the City'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', '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'  "['80s', 'soft rock', 'rock', 'singer songwriter', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '30'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;rock-cppex;ifs-songwriter-rock'
                                             'bpm'  '109.527'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Billboard Top 100 - 1985'
'TBPM' (BPM (beats per minute))                     '109.527'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'rock-cppex', 'ifs-songwriter-rock']
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'You Belong to the City'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Glenn Frey'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '30'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'soft rock', 'rock', 'singer songwriter', 'classic rock']
'TXXX:q-bass'                                       '3'
'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'                        '+9.15 dB'
'TXXX:replaygain_track_peak'                        '0.213418'

========================== row from database ==========================
                                              'id'  1334603
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/030 - Glenn Frey - You Belong to the City.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  349
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex;ifs-songwriter-rock
                                        'filesize'  6996187
                                           'mtime'  1642256355
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 030 electronic generic or radio unsorted;rock cppex;ifs songwriter rock
                                      'tag_artist'  Glenn Frey
                                     'tag_release'  Billboard Top 100 - 1985
                                       'tag_title'  You Belong to the City
                                             'bpm'  109.527
                                    'search_title'  'belong':2 'city':5 'the':4 'to':3 'you':1
                                   'search_artist'  'frey':2 'glenn':1
                                  'search_release'  '100':3 '1985':4 'billboard':1 'top':2
                                     'search_rest'  '00poprockelectronic':1 'cppex':10,12 'electronic':2 'generic':3 'ifs':11,13 'or':4 'radio':5 'rock':7,9,15 'songwriter':14 'unsorted':6,8
                                    'search_combo'  '00poprockelectronic':12 '100':10C '1985':11C 'belong':2A 'billboard':8C 'city':5A 'cppex':21,23 'electronic':13 'frey':7B 'generic':14 'glenn':6B 'ifs':22,24 'or':15 'radio':16 'rock':18,20,26 'songwriter':25 'the':4A 'to':3A 'top':9C 'unsorted':17,19 'you':1A
                                    'tag_tracknum'  30
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', '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'  ['80s', 'soft rock', 'rock', 'singer songwriter', 'classic rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256355.4842849  (2022-01-15 15:19:15)
                             'size'  6996187