======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '70'
                                          'artist'  'Tori Amos'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Summertime (live)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '00'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '138.417'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PCNT' (Play counter)                               PCNT(count=0)
'TBPM' (BPM (beats per minute))                     '138.417'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Summertime (live)'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '166000'
'TPE1' (Lead performer(s)/Soloist(s))               'Tori Amos'
'TRCK' (Track number/Position in set)               '00'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.64 dB'
'TXXX:replaygain_track_peak'                        '0.502258'

========================== row from database ==========================
                                              'id'  1327670
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Tori Amos - Summertime (liv.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  70
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  1126400
                                           'mtime'  1628354096
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] ifs songwriter eos
                                      'tag_artist'  Tori Amos
                                     'tag_release'  None
                                       'tag_title'  Summertime (live)
                                             'bpm'  138.417
                                    'search_title'  'live':2,3 'summertime':1
                                   'search_artist'  'amos':2 'tori':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'eos':9 'files':5,6 'ifs':7 'loose':3,4 'songwriter':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 'amos':5B 'eos':14 'files':10,11 'ifs':12 'live':2A,3A 'loose':8,9 'songwriter':13 'summertime':1A 'tori':4B 'unsorted':7
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628354095.6568809  (2021-08-07 18:34:55)
                             'size'  1126400