======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '178'
                                          'artist'  '5 jones boys'
                                     'text_people'  ''
                                         'release'  'Music PM'
                                           'title'  'mr. ghost goes to town'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'novelty', '30s', 'type: horror oldies', 'type: halloween']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '139.9'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music PM'
'TBPM' (BPM (beats per minute))                     '139.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'mr. ghost goes to town'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               '5 jones boys'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Sound Studio 3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', 'novelty', '30s', 'type: horror oldies', 'type: halloween']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.44 dB'
'TXXX:replaygain_track_peak'                        '0.652042'

========================== row from database ==========================
                                              'id'  726148
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music pm/5 jones boys - mr. ghost goes to town.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  178
                                           'genre'  electronic-unsorted
                                        'filesize'  2148483
                                           'mtime'  1620544852
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music pm electronic unsorted
                                      'tag_artist'  5 jones boys
                                     'tag_release'  Music PM
                                       'tag_title'  mr. ghost goes to town
                                             'bpm'  139.9
                                    'search_title'  'ghost':3 'goes':4 'mr':1,2 'to':5 'town':6
                                   'search_artist'  '5':1 'boys':3 'jones':2
                                  'search_release'  'music':1 'pm':2
                                     'search_rest'  'electronic':3 'music':1 'pm':2 'unsorted':4
                                    'search_combo'  '5':7B 'boys':9B 'electronic':14 'ghost':3A 'goes':4A 'jones':8B 'mr':1A,2A 'music':10C,12 'pm':11C,13 'to':5A 'town':6A 'unsorted':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['all', 'novelty', '30s', 'type: horror oldies', 'type: halloween']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620544851.523707  (2021-05-09 09:20:51)
                             'size'  2148483