======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '98'
                                          'artist'  'Carpenters'
                                     'text_people'  ''
                                         'release'  'Now And Then'
                                           'title'  'One Fine Day'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'Q-PLAY-2', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-chart-3', "
 "'q-drums-1', 'q-other-2', 'q-vocals-4', 'q-mixbeat-1', 'Q-PIANO-2']")
                                      'lastfmtags'  "['oldies', 'female vocalists', 'pop', 'easy listening', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-squeaky'
                                             'bpm'  '111.211'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Now And Then'
'TBPM' (BPM (beats per minute))                     '111.211'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-squeaky'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'One Fine Day'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '98000'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Carpenters'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'female vocalists', 'pop', 'easy listening', '70s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.480855'

========================== row from database ==========================
                                              'id'  1301118
                                            'path'  /data/Music/Bulk/00poprockelectronic/Carpenters/Carpenters - One Fine Day.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  98
                                           'genre'  electronic-generic or radio-squeaky
                                        'filesize'  1583026
                                           'mtime'  1620568255
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic generic or radio squeaky
                                      'tag_artist'  Carpenters
                                     'tag_release'  Now And Then
                                       'tag_title'  One Fine Day
                                             'bpm'  111.211
                                    'search_title'  'day':3 'fine':2 'one':1
                                   'search_artist'  'carpenters':1
                                  'search_release'  'and':2 'now':1 'then':3
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'generic':3 'or':4 'radio':5 'squeaky':6
                                    'search_combo'  '00poprockelectronic':8 'and':6C 'carpenters':4B 'day':3A 'electronic':9 'fine':2A 'generic':10 'now':5C 'one':1A 'or':11 'radio':12 'squeaky':13 'then':7C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'female vocalists', 'pop', 'easy listening', '70s']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620568254.5855098  (2021-05-09 15:50:54)
                             'size'  1583026