======================== unified (from filesystem) ========================
                                         'bitrate'  '194.729'
                                        'duration'  '137'
                                          'artist'  'Richard Hayman & Walter Sear'
                                     'text_people'  ''
                                         'release'  'Electronic Evolutions (LP 2)'
                                           'title'  'Spanish Eyes'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classical', 'exotica', 'illstreet', 'easy listening', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;mi-earlysynth-moog'
                                             'bpm'  '142.4'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Electronic Evolutions (LP 2)'
'TBPM' (BPM (beats per minute))                     '142.4'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'mi-earlysynth-moog']
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Spanish Eyes'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Richard Hayman & Walter Sear'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classical', 'exotica', 'illstreet', 'easy listening', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.12 dB'
'TXXX:replaygain_track_peak'                        '0.638005'

========================== row from database ==========================
                                              'id'  768615
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Early Moog & Synthesizer Music/[1973] Richard Hayman & Walter Sear - Electronic Evolutions (LP 2)/04. Spanish Eyes.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  137
                                           'genre'  electronic-experimental-early;mi-earlysynth-moog
                                        'filesize'  3341719
                                           'mtime'  1636921145
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Early Moog Synthesizer Music [1973] 04. electronic experimental early;mi earlysynth moog
                                      'tag_artist'  Richard Hayman & Walter Sear
                                     'tag_release'  Electronic Evolutions (LP 2)
                                       'tag_title'  Spanish Eyes
                                             'bpm'  142.4
                                    'search_title'  'eyes':2 'spanish':1
                                   'search_artist'  'hayman':2 'richard':1 'sear':4 'walter':3
                                  'search_release'  '2':5,6 'electronic':1 'evolutions':2 'lp':3,4
                                     'search_rest'  '04':7,8 '1973':5,6 'early':1,11,13 'earlysynth':15 'electronic':9 'experimental':10 'mi':12,14 'moog':2 'music':4 'synthesizer':3
                                    'search_combo'  '04':19,20 '1973':17,18 '2':11C,12C 'early':13,23,25 'earlysynth':27 'electronic':7C,21 'evolutions':8C 'experimental':22 'eyes':2A 'hayman':4B 'lp':9C,10C 'mi':24,26 'moog':14 'music':16 'richard':3B 'sear':6B 'spanish':1A 'synthesizer':15 'walter':5B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['classical', 'exotica', 'illstreet', 'easy listening', 'electronic']
                                        'tag_date'  1973
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636921145.1548522  (2021-11-14 21:19:05)
                             'size'  3341719