======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '184'
                                          'artist'  'Bloodhound Gang'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Scooby Snacks'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'comedy', 'punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '104.9'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '104.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Scooby Snacks'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bloodhound Gang'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'comedy', 'punk', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.35 dB'
'TXXX:replaygain_track_peak'                        '0.585974'

========================== row from database ==========================
                                              'id'  1491373
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Bloodhound Gang - Scooby Snacks.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  184
                                           'genre'  rock-unsorted
                                        'filesize'  2960686
                                           'mtime'  1620385861
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch rock unsorted
                                      'tag_artist'  Bloodhound Gang
                                     'tag_release'  None
                                       'tag_title'  Scooby Snacks
                                             'bpm'  104.9
                                    'search_title'  'scooby':1 'snacks':2
                                   'search_artist'  'bloodhound':1 'gang':2
                                  'search_release'  
                                     'search_rest'  '00dutch':4 '00mid':1 'europe':3 'north':2 'rock':5 'unsorted':6
                                    'search_combo'  '00dutch':8 '00mid':5 'bloodhound':3B 'europe':7 'gang':4B 'north':6 'rock':9 'scooby':1A 'snacks':2A 'unsorted':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'comedy', 'punk', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385860.7817726  (2021-05-07 13:11:00)
                             'size'  2960686