======================== unified (from filesystem) ========================
                                         'bitrate'  '130.383'
                                        'duration'  '170'
                                          'artist'  'Jim Sullivan'
                                     'text_people'  ''
                                         'release'  'Dimitri - Folk, Rock, Pop & Instruments'
                                           'title'  'U.F.O.'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['folk', 'folk rock', 'singer-songwriter', 'psychedelic folk', 'fuck yeah']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '103.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Folk, Rock, Pop & Instruments'
'TBPM' (BPM (beats per minute))                     '103.6'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'U.F.O.'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jim Sullivan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk', 'folk rock', 'singer-songwriter', 'psychedelic folk', 'fuck yeah']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.26 dB'
'TXXX:replaygain_track_peak'                        '0.609417'

========================== row from database ==========================
                                              'id'  1510876
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/FolkRockPopInstrumentals/Jim Sullivan _U.F.O._, __U.F.O.__ [1969]-gH0l7nIMfw0.mp3
                                         'working'  None
                                         'bitrate'  130
                                    'duration_sec'  170
                                           'genre'  ifs-songwriter
                                        'filesize'  2776909
                                           'mtime'  1637329483
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FolkRockPopInstrumentals _U.F.O._, __U.F.O.__ [1969] gH0l7nIMfw0 ifs songwriter
                                      'tag_artist'  Jim Sullivan
                                     'tag_release'  Dimitri - Folk, Rock, Pop & Instruments
                                       'tag_title'  U.F.O.
                                             'bpm'  103.6
                                    'search_title'  'f':2 'o':3 'u':1 'ufo':4
                                   'search_artist'  'jim':1 'sullivan':2
                                  'search_release'  'dimitri':1 'folk':2,3 'instruments':7 'pop':6 'rock':4,5
                                     'search_rest'  '1969':10,11 'f':3,7 'folk':15 'folkrockpopinstrumentals':1 'g':19 'gh0l7nimfw0':12 'h0l7n':20 'ifs':13 'imfw0':21 'instrumentals':18 'o':4,8 'pop':17 'rock':16 'songwriter':14 'u':2,6 'ufo':5,9
                                    'search_combo'  '1969':23,24 'dimitri':7C 'f':2A,16,20 'folk':8C,9C,28 'folkrockpopinstrumentals':14 'g':32 'gh0l7nimfw0':25 'h0l7n':33 'ifs':26 'imfw0':34 'instrumentals':31 'instruments':13C 'jim':5B 'o':3A,17,21 'pop':12C,30 'rock':10C,11C,29 'songwriter':27 'sullivan':6B 'u':1A,15,19 'ufo':4A,18,22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['folk', 'folk rock', 'singer-songwriter', 'psychedelic folk', 'fuck yeah']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329483.3499422  (2021-11-19 14:44:43)
                             'size'  2776909