======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '684'
                                          'artist'  'aleksi'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'eeben-the-grand-rules'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-2', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['ambient', 'relaxing', 'calm', 'soundscape']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-beats'
                                             'bpm'  '125.238'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'mtk090'
'TBPM' (BPM (beats per minute))                     '125.238'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-beats'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'eeben-the-grand-rules'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'aleksi'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['ambient', 'relaxing', 'calm', 'soundscape']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.34 dB'
'TXXX:replaygain_track_peak'                        '0.513064'

========================== row from database ==========================
                                              'id'  163881
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/monotonik/monotonik-archives-vol-1/[mtk090]-aleksi-eeben-the-grand-rules.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  684
                                           'genre'  electronic-generic or radio-beats
                                        'filesize'  10948167
                                           'mtime'  1620543712
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm monotonik monotonik archives vol 1 [mtk090] electronic generic or radio beats
                                      'tag_artist'  aleksi
                                     'tag_release'  None
                                       'tag_title'  eeben-the-grand-rules
                                             'bpm'  125.238
                                    'search_title'  'eeben':1 'eebenthegrandrules':5 'grand':3 'rules':4 'the':2
                                   'search_artist'  'aleksi':1
                                  'search_release'  
                                     'search_rest'  '1':4 'archives':2 'beats':11 'electronic':7 'generic':8 'monotonik':1 'mtk090':5,6 'or':9 'radio':10 'vol':3
                                    'search_combo'  '1':10 'aleksi':6B 'archives':8 'beats':17 'eeben':1A 'eebenthegrandrules':5A 'electronic':13 'generic':14 'grand':3A 'monotonik':7 'mtk090':11,12 'or':15 'radio':16 'rules':4A 'the':2A 'vol':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'relaxing', 'calm', 'soundscape']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620543712.0187533  (2021-05-09 09:01:52)
                             'size'  10948167