======================== unified (from filesystem) ========================
                                         'bitrate'  '190.286'
                                        'duration'  '170'
                                          'artist'  'Boyd Rice and Daniel Miller'
                                     'text_people'  ''
                                         'release'  'Darker Skratcher'
                                           'title'  'Cleanliness and Order'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['industrial', 'synth pop', 'turntable', 'minimal wave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '121.4'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:tagscan:eng'                                  'LAFMS #12 (Vinyl Source)'
'TALB' (Album/Movie/Show title)                     'Darker Skratcher'
'TBPM' (BPM (beats per minute))                     '121.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Cleanliness and Order'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Boyd Rice and Daniel Miller'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['industrial', 'synth pop', 'turntable', 'minimal wave']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.09 dB'
'TXXX:replaygain_track_peak'                        '0.662070'

========================== row from database ==========================
                                              'id'  1368052
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Airway - Darker Scratcher (LAFMS 1980) [224k VBR]/01. Boyd Rice and Daniel Miller - Cleanliness and Order.mp3
                                         'working'  None
                                         'bitrate'  190
                                    'duration_sec'  170
                                           'genre'  electronic-unsorted
                                        'filesize'  4054912
                                           'mtime'  1620516634
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Airway Scratcher (LAFMS 1980) [224k VBR] 01. electronic unsorted
                                      'tag_artist'  Boyd Rice and Daniel Miller
                                     'tag_release'  Darker Skratcher
                                       'tag_title'  Cleanliness and Order
                                             'bpm'  121.4
                                    'search_title'  'and':2 'cleanliness':1 'order':3
                                   'search_artist'  'and':3 'boyd':1 'daniel':4 'miller':5 'rice':2
                                  'search_release'  'darker':1 'skratcher':2
                                     'search_rest'  '01':11,12 '1980':5,6 '224k':7,8 'airway':1 'electronic':13 'lafms':3,4 'scratcher':2 'unsorted':14 'vbr':9,10
                                    'search_combo'  '01':21,22 '1980':15,16 '224k':17,18 'airway':11 'and':2A,6B 'boyd':4B 'cleanliness':1A 'daniel':7B 'darker':9C 'electronic':23 'lafms':13,14 'miller':8B 'order':3A 'rice':5B 'scratcher':12 'skratcher':10C 'unsorted':24 'vbr':19,20
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'synth pop', 'turntable', 'minimal wave']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620516634.1372552  (2021-05-09 01:30:34)
                             'size'  4054912