======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '145'
                                          'artist'  'Roy Brown'
                                     'text_people'  ''
                                         'release'  'Fallout 4 OST (Diamond radio station)'
                                           'title'  'Butcher Pete (part 1)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', 'rhythm and blues', 'rockabilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  '38'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '90.898'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Fallout 4 OST (Diamond radio station)'
'TBPM' (BPM (beats per minute))                     '90.898'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Butcher Pete (part 1)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Roy Brown'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '25/38'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf53.30.100'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'rhythm and blues', 'rockabilly', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.94 dB'
'TXXX:replaygain_track_peak'                        '0.386816'

========================== row from database ==========================
                                              'id'  739623
                                            'path'  /data/Music/Bulk/0soundtrack/Fallout 4 - Diamond City Radio/25. Roy Brown - Butcher Pete (part 1).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  145
                                           'genre'  soundtrack-game
                                        'filesize'  2331468
                                           'mtime'  1623433164
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack City Radio 25. soundtrack game
                                      'tag_artist'  Roy Brown
                                     'tag_release'  Fallout 4 OST (Diamond radio station)
                                       'tag_title'  Butcher Pete (part 1)
                                             'bpm'  90.898
                                    'search_title'  '1':5,6 'butcher':1 'part':3,4 'pete':2
                                   'search_artist'  'brown':2 'roy':1
                                  'search_release'  '4':2 'diamond':4,5 'fallout':1 'ost':3 'radio':6 'station':7,8
                                     'search_rest'  '0soundtrack':1 '25':4,5 'city':2 'game':7 'radio':3 'soundtrack':6
                                    'search_combo'  '0soundtrack':17 '1':5A,6A '25':20,21 '4':10C 'brown':8B 'butcher':1A 'city':18 'diamond':12C,13C 'fallout':9C 'game':23 'ost':11C 'part':3A,4A 'pete':2A 'radio':14C,19 'roy':7B 'soundtrack':22 'station':15C,16C
                                    'tag_tracknum'  25
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'jazz', 'rhythm and blues', 'rockabilly', 'rock']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623433163.5536585  (2021-06-11 19:39:23)
                             'size'  2331468