======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '215'
                                          'artist'  'Meredith Brooks'
                                     'text_people'  ''
                                         'release'  'Bad Bad One'
                                           'title'  'Pain'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'pop', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '88.943'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bad Bad One'
'TBPM' (BPM (beats per minute))                     '88.943'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Pain'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Meredith Brooks'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop', 'pop rock']
'TXXX:lastfmtags'                                   ['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.24 dB'
'TXXX:replaygain_track_peak'                        '0.345087'

========================== row from database ==========================
                                              'id'  1360221
                                            'path'  /data/Music/Bulk/00poprockelectronic/Meredith Brooks/MBZ;#Meredith Brooks;#Bad Bad One;#05;#Pain.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  215
                                           'genre'  ifs-songwriter
                                        'filesize'  5168640
                                           'mtime'  1623435758
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Meredith Brooks;#Bad One;#05;#Pain ifs songwriter
                                      'tag_artist'  Meredith Brooks
                                     'tag_release'  Bad Bad One
                                       'tag_title'  Pain
                                             'bpm'  88.943
                                    'search_title'  'pain':1
                                   'search_artist'  'brooks':2 'meredith':1
                                  'search_release'  'bad':1 'one':2
                                     'search_rest'  '00poprockelectronic':1 '05':11,14 'bad':7,9 'brooks':6,8 'ifs':16 'mbz':2,4 'meredith':3,5 'one':10,13 'pain':12,15 'songwriter':17
                                    'search_combo'  '00poprockelectronic':6 '05':16,19 'bad':4C,12,14 'brooks':3B,11,13 'ifs':21 'mbz':7,9 'meredith':2B,8,10 'one':5C,15,18 'pain':1A,17,20 'songwriter':22
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'pop', 'pop rock']

============================== file details ==============================
                                           'mtime'  1623435758.2488053  (2021-06-11 20:22:38)
                             'size'  5168640