======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '276'
                                          'artist'  'idmonster'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'my human side'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-1', 'q-drums-4', "
 "'q-other-1', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['idm', 'electronic', 'heiner blum', 'metro downtempo', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '130.063'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'my human side'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'idmonster'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['idm', 'electronic', 'heiner blum', 'metro downtempo', 'ambient']
'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'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.60 dB'
'TXXX:replaygain_track_peak'                        '0.881949'

========================== row from database ==========================
                                              'id'  133414
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/monotonik/monotonik-archives-vol-1/[mtk059]-idmonster-my-human-side.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  276
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  4423690
                                           'mtime'  1621705468
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm monotonik monotonik archives vol 1 [mtk059] electronic we beeps or chip or pico
                                      'tag_artist'  idmonster
                                     'tag_release'  None
                                       'tag_title'  my human side
                                             'bpm'  130.063
                                    'search_title'  'human':2 'my':1 'side':3
                                   'search_artist'  'idmonster':1
                                  'search_release'  
                                     'search_rest'  '1':4 'archives':2 'beeps':9 'chip':11 'electronic':7 'monotonik':1 'mtk059':5,6 'or':10 'pico':12 'vol':3 'we':8
                                    'search_combo'  '1':8 'archives':6 'beeps':13 'chip':15 'electronic':11 'human':2A 'idmonster':4B 'monotonik':5 'mtk059':9,10 'my':1A 'or':14 'pico':16 'side':3A 'vol':7 'we':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['idm', 'electronic', 'heiner blum', 'metro downtempo', 'ambient']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705467.678921  (2021-05-22 19:44:27)
                             'size'  4423690