======================== unified (from filesystem) ========================
                                         'bitrate'  '128.431'
                                        'duration'  '186'
                                          'artist'  'Kemialliset Ystävät'
                                     'text_people'  ''
                                         'release'  'Dimitri - Random'
                                           'title'  'Arkistorotat'
                                           'quals'  ("['Q-LOCALNESS-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-2', 'Q-CHART-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['experimental', 'psychedelic', 'psychedelic folk', 'finnish', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-unsorted'
                                             'bpm'  '134.6'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Random'
'TBPM' (BPM (beats per minute))                     '134.6'
'TCON' (Content type, a.k.a. Genre)                 'ifs-unsorted'
'TIT2' (Title/songname/content description)         'Arkistorotat'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kemialliset Ystävät'
'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-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['experimental', 'psychedelic', 'psychedelic folk', 'finnish', 'folk']
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.526361'
'TXXX:youtube'                                      'dyHQSofzGBc'

========================== row from database ==========================
                                              'id'  1477628
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/Random/Kemialliset Ystävät - Arkistorotat-dyHQSofzGBc.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  186
                                           'genre'  ifs-unsorted
                                        'filesize'  3000308
                                           'mtime'  1637932765
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm dyHQSofzGBc ifs unsorted
                                      'tag_artist'  Kemialliset Ystävät
                                     'tag_release'  Dimitri - Random
                                       'tag_title'  Arkistorotat
                                             'bpm'  134.6
                                    'search_title'  'arkistorotat':1
                                   'search_artist'  'kemialliset':1 'ystavat':2,3
                                  'search_release'  'dimitri':1 'random':2
                                     'search_rest'  'dy':4 'dyhqsofzgbc':1 'gbc':6 'hqsofz':5 'ifs':2 'unsorted':3
                                    'search_combo'  'arkistorotat':1A 'dimitri':5C 'dy':10 'dyhqsofzgbc':7 'gbc':12 'hqsofz':11 'ifs':8 'kemialliset':2B 'random':6C 'unsorted':9 'ystavat':3B,4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'q-piano-1', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-2']
                                      'lastfmtags'  ['experimental', 'psychedelic', 'psychedelic folk', 'finnish', 'folk']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637932764.5177963  (2021-11-26 14:19:24)
                             'size'  3000308