======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '344'
                                          'artist'  'Timeblind'
                                     'text_people'  ''
                                         'release'  'Bloatware EP'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'dub', 'dubstep', 'metro downtempo']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '88.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bloatware EP'
'TBPM' (BPM (beats per minute))                     '88.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2000'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Timeblind'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'dub', 'dubstep', 'metro downtempo']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.77 dB'
'TXXX:replaygain_track_peak'                        '0.842040'

========================== row from database ==========================
                                              'id'  1375443
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Timeblind - Bloatware/03 timeblind - borscht.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  344
                                           'genre'  electronic-experimental
                                        'filesize'  8279185
                                           'mtime'  1636917152
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 03 timeblind borscht electronic experimental
                                      'tag_artist'  Timeblind
                                     'tag_release'  Bloatware EP
                                       'tag_title'  None
                                             'bpm'  88.7
                                    'search_title'  None
                                   'search_artist'  'timeblind':1
                                  'search_release'  'bloatware':1 'ep':2
                                     'search_rest'  'borscht':2 'electronic':3 'experimental':4 'timeblind':1
                                    'search_combo'  'bloatware':2C 'borscht':5 'electronic':6 'ep':3C 'experimental':7 'timeblind':1B,4
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-piano-1', 'q-syn-3', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'dub', 'dubstep', 'metro downtempo']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636917151.874771  (2021-11-14 20:12:31)
                             'size'  8279185