======================== unified (from filesystem) ========================
                                         'bitrate'  '130.618'
                                        'duration'  '345'
                                          'artist'  'Juhani Aaltonen & Otto Donner'
                                     'text_people'  ''
                                         'release'  'Dimitri - Suomi Masaa'
                                           'title'  'Niin vähän on aikaa'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  ("['jazz', 'finnish', 'christian schwindt quintet cover', 'psychedelic', "
 "'instrumental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-northern-finland'
                                             'bpm'  '115.9'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Suomi Masaa'
'TBPM' (BPM (beats per minute))                     '115.9'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-northern-finland'
'TIT2' (Title/songname/content description)         'Niin vähän on aikaa'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Juhani Aaltonen & Otto Donner'
'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'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['jazz',
 'finnish',
 'christian schwindt quintet cover',
 'psychedelic',
 'instrumental']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.64 dB'
'TXXX:replaygain_track_peak'                        '0.523863'

========================== row from database ==========================
                                              'id'  1477191
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/SuomiMusaa/Niin vähän on aikaa-j1n_dbSBKuw.mp3
                                         'working'  None
                                         'bitrate'  130
                                    'duration_sec'  345
                                           'genre'  loc-eur-northern-finland
                                        'filesize'  5644125
                                           'mtime'  1621628569
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm SuomiMusaa j1n_dbSBKuw loc eur northern finland
                                      'tag_artist'  Juhani Aaltonen & Otto Donner
                                     'tag_release'  Dimitri - Suomi Masaa
                                       'tag_title'  Niin vähän on aikaa
                                             'bpm'  115.9
                                    'search_title'  'aikaa':5 'niin':1 'on':4 'vahan':2,3
                                   'search_artist'  'aaltonen':2 'donner':4 'juhani':1 'otto':3
                                  'search_release'  'dimitri':1 'masaa':3 'suomi':2
                                     'search_rest'  'db':11 'dbsbkuw':3 'eur':5 'finland':7 'j1n':2,10 'loc':4 'musaa':9 'northern':6 'sbkuw':12 'suomi':8 'suomimusaa':1
                                    'search_combo'  'aaltonen':7B 'aikaa':5A 'db':23 'dbsbkuw':15 'dimitri':10C 'donner':9B 'eur':17 'finland':19 'j1n':14,22 'juhani':6B 'loc':16 'masaa':12C 'musaa':21 'niin':1A 'northern':18 'on':4A 'otto':8B 'sbkuw':24 'suomi':11C,20 'suomimusaa':13 'vahan':2A,3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['jazz', 'finnish', 'christian schwindt quintet cover', 'psychedelic', 'instrumental']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628568.7217176  (2021-05-21 22:22:48)
                             'size'  5644125