======================== unified (from filesystem) ========================
                                         'bitrate'  '113.273'
                                        'duration'  '843'
                                          'artist'  'K. Leimer'
                                     'text_people'  ''
                                         'release'  'Dimitri - PopTropic'
                                           'title'  'Very Tired'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-2', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['ambient', 'earwaves', 'instrumental', 'electronic', 'drone']"
                                     'discogstags'  "['electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '145.2'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - PopTropic'
'TBPM' (BPM (beats per minute))                     '145.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Very Tired'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'K. Leimer'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'ambient']
'TXXX:lastfmtags'                                   ['ambient', 'earwaves', 'instrumental', 'electronic', 'drone']
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.00 dB'
'TXXX:replaygain_track_peak'                        '0.824675'
'TXXX:youtube'                                      'vP5zqwZ1g3Y'

========================== row from database ==========================
                                              'id'  1477177
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/PopTropic/K. Leimer - Very Tired-vP5zqwZ1g3Y.mp3
                                         'working'  None
                                         'bitrate'  113
                                    'duration_sec'  843
                                           'genre'  electronic-unsorted
                                        'filesize'  11959218
                                           'mtime'  1647350744
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm vP5zqwZ1g3Y electronic unsorted
                                      'tag_artist'  K. Leimer
                                     'tag_release'  Dimitri - PopTropic
                                       'tag_title'  Very Tired
                                             'bpm'  145.2
                                    'search_title'  'tired':2 'very':1
                                   'search_artist'  'k':1,2 'leimer':3
                                  'search_release'  'dimitri':1 'pop':3 'poptropic':2 'tropic':4
                                     'search_rest'  'electronic':2 'p5zqw':5 'unsorted':3 'v':4 'vp5zqwz1g3y':1 'z1g3y':6
                                    'search_combo'  'dimitri':6C 'electronic':11 'k':3B,4B 'leimer':5B 'p5zqw':14 'pop':8C 'poptropic':7C 'tired':2A 'tropic':9C 'unsorted':12 'v':13 'very':1A 'vp5zqwz1g3y':10 'z1g3y':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-2', 'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-MIXBEAT-2']
                                      'lastfmtags'  ['ambient', 'earwaves', 'instrumental', 'electronic', 'drone']
                                        'tag_date'  
                                     'discogstags'  ['electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1647350744.3741043  (2022-03-15 14:25:44)
                             'size'  11959218