======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '265'
                                          'artist'  'Steve Miller Band'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  'Name'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rock', 'psychedelic', '70s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '62'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '123.708'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1'
'TBPM' (BPM (beats per minute))                     '123.708'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'rock-cppex',
 'rock-cppex-psychedelic',
 'rock-cppex']
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Name'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Steve Miller Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '62'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rock', 'psychedelic', '70s', 'classic rock']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.33 dB'
'TXXX:replaygain_track_peak'                        '0.695896'

========================== row from database ==========================
                                              'id'  1288758
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1977/062 - Steve Miller Band - Jet Airliner.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  265
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex;rock-cppex-psychedelic
                                        'filesize'  5316946
                                           'mtime'  1636038738
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1977 062 Jet Airliner electronic generic or radio unsorted;rock cppex;rock cppex psychedelic
                                      'tag_artist'  Steve Miller Band
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  Name
                                             'bpm'  123.708
                                    'search_title'  'name':1
                                   'search_artist'  'band':3 'miller':2 'steve':1
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1977':3 'airliner':5 'cppex':14,16,18 'electronic':6 'generic':7 'jet':4 'or':8 'psychedelic':19 'radio':9 'rock':11,13,15,17 'top100':2 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':11 '1':10C '1977':13 'airliner':15 'band':4B 'billboard':5C 'cppex':24,26,28 'electronic':16 'generic':17 'jet':14 'miller':3B 'name':1A 'of':9C 'or':18 'pop':7C 'psychedelic':29 'radio':19 'rock':21,23,25,27 'singles':8C 'steve':2B 'top':6C 'top100':12 'unsorted':20,22
                                    'tag_tracknum'  62
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rock', 'psychedelic', '70s', 'classic rock']
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636038737.98476  (2021-11-04 16:12:17)
                             'size'  5316946