======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '215'
                                          'artist'  'Albert Hammond'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  'It Never Rains In Southern Cal'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soft rock', 'singer songwriter', 'pop', 'oldies', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '98'
                                      'tracktotal'  ''
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;ifs-songwriter-pop;set-pl-billboard'
                                             'bpm'  '115.920'
                                             'key'  '11B'
                                        '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))                     '115.920'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'ifs-songwriter-pop',
 'set-pl-billboard']
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'It Never Rains In Southern Cal'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Albert Hammond'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '98'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soft rock', 'singer songwriter', 'pop', 'oldies', '70s']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.566803'

========================== row from database ==========================
                                              'id'  1305593
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1973/098 - Albert Hammond - It Never Rains In Southern California.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  215
                                           'genre'  electronic-generic or radio-unsorted;ifs-songwriter-pop;set-pl-billboard
                                        'filesize'  4314647
                                           'mtime'  1642256372
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1973 098 California electronic generic or radio unsorted;ifs songwriter pop;set pl billboard
                                      'tag_artist'  Albert Hammond
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  It Never Rains In Southern Cal
                                             'bpm'  115.92
                                    'search_title'  'cal':6 'in':4 'it':1 'never':2 'rains':3 'southern':5
                                   'search_artist'  'albert':1 'hammond':2
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1973':3 'billboard':19 'california':4 'electronic':5 'generic':6 'ifs':10,12 'or':7 'pl':18 'pop':14,16 'radio':8 'set':15,17 'songwriter':13 'top100':2 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':15 '1':14C '1973':17 'albert':7B 'billboard':9C,33 'cal':6A 'california':18 'electronic':19 'generic':20 'hammond':8B 'ifs':24,26 'in':4A 'it':1A 'never':2A 'of':13C 'or':21 'pl':32 'pop':11C,28,30 'radio':22 'rains':3A 'set':29,31 'singles':12C 'songwriter':27 'southern':5A 'top':10C 'top100':16 'unsorted':23,25
                                    'tag_tracknum'  98
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['soft rock', 'singer songwriter', 'pop', 'oldies', '70s']
                                        'tag_date'  1973
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256371.946466  (2022-01-15 15:19:31)
                             'size'  4314647