======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '195'
                                          'artist'  'Quite Ridiculous Nonsense'
                                     'text_people'  ''
                                         'release'  'Insane Music for Insane People Vol. 8'
                                           'title'  'Mi'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-mor'
                                             'bpm'  '122.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Insane Music for Insane People Vol. 8'
'TBPM' (BPM (beats per minute))                     '122.4'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-mor']
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'Mi'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Quite Ridiculous Nonsense'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.536815'
'TXXX:tracknum'                                     'A7'

========================== row from database ==========================
                                              'id'  1370901
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Jarboe - Insane Music For Insane People Vol. 8 (Insane Music, 1986) [224k]/A7 Quite Ridiculous Nonsense - Mi.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  195
                                           'genre'  electronic-unsorted;set-pl-mor
                                        'filesize'  5467059
                                           'mtime'  1638556466
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Jarboe For (Insane Music, 1986) [224k] A7 electronic unsorted;set mor
                                      'tag_artist'  Quite Ridiculous Nonsense
                                     'tag_release'  Insane Music for Insane People Vol. 8
                                       'tag_title'  Mi
                                             'bpm'  122.4
                                    'search_title'  'mi':1
                                   'search_artist'  'nonsense':3 'quite':1 'ridiculous':2
                                  'search_release'  '8':7 'for':3 'insane':1 'music':2 'people':4 'vol':5,6
                                     'search_rest'  '1986':7,8 '224k':9,10 'a7':11 'electronic':12 'for':2 'insane':3,4 'jarboe':1 'mor':17 'music':5,6 'set':14,16 'unsorted':13,15
                                    'search_combo'  '1986':18,19 '224k':20,21 '8':11C 'a7':22 'electronic':23 'for':7C,13 'insane':5C,14,15 'jarboe':12 'mi':1A 'mor':28 'music':6C,16,17 'nonsense':4B 'people':8C 'quite':2B 'ridiculous':3B 'set':25,27 'unsorted':24,26 'vol':9C,10C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1986
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1638556465.9832838  (2021-12-03 19:34:25)
                             'size'  5467059