======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '119'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Sorunda (Svreca Remix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  'B2'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '91.2'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '91.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Sorunda (Svreca Remix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TRCK' (Track number/Position in set)               'B2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:other'                                        '191308739'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.66 dB'
'TXXX:replaygain_track_peak'                        '0.494558'
'TXXX:trocknumber'                                  'B2'

========================== row from database ==========================
                                              'id'  858268
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/unsorted/B2.Sorunda (Svreca Remix)-191308739.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  119
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  1913455
                                           'mtime'  1621085028
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud unsorted B2.Sorunda 191308739 electronic th techno minimal deephouse
                                      'tag_artist'  [unknown]
                                     'tag_release'  None
                                       'tag_title'  Sorunda (Svreca Remix)
                                             'bpm'  91.2
                                    'search_title'  'remix':4,5 'sorunda':1 'svreca':2,3
                                   'search_artist'  'unknown':1,2
                                  'search_release'  
                                     'search_rest'  '191308739':6 'b2':3 'b2sorunda':5 'deephouse':11 'electronic':7 'minimal':10 'sorunda':4 'soundcloud':1 'techno':9 'th':8 'unsorted':2
                                    'search_combo'  '191308739':13 'b2':10 'b2sorunda':12 'deephouse':18 'electronic':14 'minimal':17 'remix':4A,5A 'sorunda':1A,11 'soundcloud':8 'svreca':2A,3A 'techno':16 'th':15 'unknown':6B,7B 'unsorted':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', '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-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621085027.7527332  (2021-05-15 15:23:47)
                             'size'  1913455