======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '226'
                                          'artist'  'Harold Faltermeyer'
                                     'text_people'  ''
                                         'release'  'The Greatest Hits Of 1985'
                                           'title'  'Axel F (Alternate Version)'
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 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['instrumental', 'german', 'synthpop', 'soundtrack', '80s', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '93.803'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Greatest Hits Of 1985'
'TBPM' (BPM (beats per minute))                     '93.803'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Axel F (Alternate Version)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Harold Faltermeyer'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'german', 'synthpop', 'soundtrack', '80s', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.40 dB'
'TXXX:replaygain_track_peak'                        '0.831211'

========================== row from database ==========================
                                              'id'  1304776
                                            'path'  /data/Music/Bulk/00poprockelectronic/Harold Faltermeyer/Harold Faltermeyer__The Greatest Hits Of 1985__Axel F (Alternate Version).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  226
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  5426376
                                           'mtime'  1628353886
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Faltermeyer__The 1985__Axel electronic we electropop or synthpop
                                      'tag_artist'  Harold Faltermeyer
                                     'tag_release'  The Greatest Hits Of 1985
                                       'tag_title'  Axel F (Alternate Version)
                                             'bpm'  93.803
                                    'search_title'  'alternate':3,4 'axel':1 'f':2 'version':5,6
                                   'search_artist'  'faltermeyer':2 'harold':1
                                  'search_release'  '1985':5 'greatest':2 'hits':3 'of':4 'the':1
                                     'search_rest'  '00poprockelectronic':1 '1985':4 'axel':5 'electronic':6 'electropop':8 'faltermeyer':2 'or':9 'synthpop':10 'the':3 'we':7
                                    'search_combo'  '00poprockelectronic':14 '1985':13C,17 'alternate':3A,4A 'axel':1A,18 'electronic':19 'electropop':21 'f':2A 'faltermeyer':8B,15 'greatest':10C 'harold':7B 'hits':11C 'of':12C 'or':22 'synthpop':23 'the':9C,16 'version':5A,6A 'we':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'german', 'synthpop', 'soundtrack', '80s', 'electronic']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353885.805175  (2021-08-07 18:31:25)
                             'size'  5426376