======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '170'
                                          'artist'  'Rein Tuus'
                                     'text_people'  'Haublek'
                                         'release'  ''
                                           'title'  'Vana maja'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'q-syn-1', 'q-bass-4', "
 "'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['pop']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '102.024'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '102.024'
'TCOM' (Composer)                                   'Haublek'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TCOP' (Copyright message)                          'Kasutaja: UserM24-21537'
'TDRC' (Recording time)                             '1966'
'TENC' (Encoded by)                                 'Music Online'
'TIT2' (Title/songname/content description)         'Vana maja'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rein Tuus'
'TPE2' (Band/orchestra/accompaniment)               'Rein Tuus'
'TPUB' (Publisher)                                  'Eesti Raadio'
'TRCK' (Track number/Position in set)               '0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   'pop'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.75 dB'
'TXXX:replaygain_track_peak'                        '0.585803'

========================== row from database ==========================
                                              'id'  1419871
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Stuart Hamblen - hamblen , stuart/Rein Tuus-Vana maja.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  170
                                           'genre'  loc-namerica-country
                                        'filesize'  5474344
                                           'mtime'  1621628375
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Stuart Hamblen hamblen , stuart loc namerica country
                                      'tag_artist'  Rein Tuus
                                     'tag_release'  None
                                       'tag_title'  Vana maja
                                             'bpm'  102.024
                                    'search_title'  'maja':2 'vana':1
                                   'search_artist'  'rein':1 'tuus':2
                                  'search_release'  
                                     'search_rest'  'country':4 'exotica':2 'hamblen':6 'jazz':1 'loc':7 'namerica':8 'oldies':3 'stuart':5
                                    'search_combo'  'country':8 'exotica':6 'hamblen':10 'jazz':5 'loc':11 'maja':2A 'namerica':12 'oldies':7 'rein':3B 'stuart':9 'tuus':4B 'vana':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pop']
                                        'tag_date'  1966
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1621628375.0481973  (2021-05-21 22:19:35)
                             'size'  5474344