======================== unified (from filesystem) ========================
                                         'bitrate'  '225.239'
                                        'duration'  '171'
                                          'artist'  'Dave Vorhaus'
                                     'text_people'  ''
                                         'release'  'Electronic toys'
                                           'title'  'Mainframe blues'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electro', 'electronic', 'library music', 'experimental', 'synth']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-experimental;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '123.3'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Electronic toys'
'TBPM' (BPM (beats per minute))                     '123.3'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Mainframe blues'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dave Vorhaus'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electro', 'electronic', 'library music', 'experimental', 'synth']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.15 dB'
'TXXX:replaygain_track_peak'                        '0.515766'

========================== row from database ==========================
                                              'id'  1526810
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/v.a. -electronic toys [a retrospective of 70_s synthesizer music]  1996/10 - dave vorhaus - mainframe blues.mp3
                                         'working'  None
                                         'bitrate'  225
                                    'duration_sec'  171
                                           'genre'  electronic-experimental;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4824960
                                           'mtime'  1636920764
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm v.a. electronic [a retrospective of 70_s synthesizer music] 1996 10 dave vorhaus mainframe electronic experimental;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Dave Vorhaus
                                     'tag_release'  Electronic toys
                                       'tag_title'  Mainframe blues
                                             'bpm'  123.3
                                    'search_title'  'blues':2 'mainframe':1
                                   'search_artist'  'dave':1 'vorhaus':2
                                  'search_release'  'electronic':1 'toys':2
                                     'search_rest'  '1996':14 '70':9 'a':2,5,6 'dave':15 'electronic':4 'experimental':18,20 'mainframe':17 'mor':27 'music':12,13 'of':8 'pl':22 'retrospective':7 's':10 'set':19,21,24,26 'shirleyspinoza':23,25 'synthesizer':11 'v':1 'va':3 'vorhaus':16
                                    'search_combo'  '1996':20 '70':15 'a':8,11,12 'blues':2A 'dave':3B,21 'electronic':5C,10 'experimental':24,26 'mainframe':1A,23 'mor':33 'music':18,19 'of':14 'pl':28 'retrospective':13 's':16 'set':25,27,30,32 'shirleyspinoza':29,31 'synthesizer':17 'toys':6C 'v':7 'va':9 'vorhaus':4B,22
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electro', 'electronic', 'library music', 'experimental', 'synth']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636920764.1633267  (2021-11-14 21:12:44)
                             'size'  4824960