======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '153'
                                          'artist'  'Alex Smoke'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'RS1403 B2 Oni'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['minimal techno', 'electronica', 'techno', 'electronic', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse;electronic-unsorted'
                                             'bpm'  '124.9'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '124.9'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-techno-minimal or deephouse',
 'electronic-unsorted',
 'electronic-unsorted']
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'RS1403 B2 Oni'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alex Smoke'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimal techno', 'electronica', 'techno', 'electronic', 'minimal']
'TXXX:other'                                        '149172506'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.25 dB'
'TXXX:replaygain_track_peak'                        '0.546819'

========================== row from database ==========================
                                              'id'  940581
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/alexsmoke/RS1403 B2 Oni-149172506.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  153
                                           'genre'  electronic-th-techno-minimal or deephouse;electronic-unsorted
                                        'filesize'  2458464
                                           'mtime'  1621084968
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud alexsmoke 149172506 electronic th techno minimal or deephouse;electronic unsorted
                                      'tag_artist'  Alex Smoke
                                     'tag_release'  None
                                       'tag_title'  RS1403 B2 Oni
                                             'bpm'  124.9
                                    'search_title'  'b2':2 'oni':3 'rs1403':1
                                   'search_artist'  'alex':1 'smoke':2
                                  'search_release'  
                                     'search_rest'  '149172506':3 'alexsmoke':2 'deephouse':9,11 'electronic':4,10,12 'minimal':7 'or':8 'soundcloud':1 'techno':6 'th':5 'unsorted':13
                                    'search_combo'  '149172506':8 'alex':4B 'alexsmoke':7 'b2':2A 'deephouse':14,16 'electronic':9,15,17 'minimal':12 'oni':3A 'or':13 'rs1403':1A 'smoke':5B 'soundcloud':6 'techno':11 'th':10 'unsorted':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['minimal techno', 'electronica', 'techno', 'electronic', 'minimal']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621084967.8423526  (2021-05-15 15:22:47)
                             'size'  2458464