======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '155'
                                          'artist'  'Lothar And The Hand People'
                                     'text_people'  ''
                                         'release'  'Presenting... Lothar And The Hand People'
                                           'title'  'Machines'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychedelic rock', 'psychedelic', 'experimental', '60s', 'space rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;mi-earlysynth-moog'
                                             'bpm'  '144.7'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Presenting... Lothar And The Hand People'
'TBPM' (BPM (beats per minute))                     '144.7'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'mi-earlysynth-moog']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Machines'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lothar And The Hand People'
'TRCK' (Track number/Position in set)               '1'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['psychedelic rock', 'psychedelic', 'experimental', '60s', 'space rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.98 dB'
'TXXX:replaygain_track_peak'                        '0.548976'

========================== row from database ==========================
                                              'id'  769552
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Early Moog & Synthesizer Music/[1968] Presenting... Lothar And The Hand People/01. Machines.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  155
                                           'genre'  electronic-experimental-early;mi-earlysynth-moog
                                        'filesize'  4966942
                                           'mtime'  1636920353
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Early Moog & Synthesizer Music [1968] 01. electronic experimental early;mi earlysynth moog
                                      'tag_artist'  Lothar And The Hand People
                                     'tag_release'  Presenting... Lothar And The Hand People
                                       'tag_title'  Machines
                                             'bpm'  144.7
                                    'search_title'  'machines':1
                                   'search_artist'  'and':2 'hand':4 'lothar':1 'people':5 'the':3
                                  'search_release'  'and':4 'hand':6 'lothar':3 'people':7 'presenting':1,2 'the':5
                                     'search_rest'  '01':7,8 '1968':5,6 'early':1,11,13 'earlysynth':15 'electronic':9 'experimental':10 'mi':12,14 'moog':2 'music':4 'synthesizer':3
                                    'search_combo'  '01':20,21 '1968':18,19 'and':3B,10C 'early':14,24,26 'earlysynth':28 'electronic':22 'experimental':23 'hand':5B,12C 'lothar':2B,9C 'machines':1A 'mi':25,27 'moog':15 'music':17 'people':6B,13C 'presenting':7C,8C 'synthesizer':16 'the':4B,11C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  3A
                                           '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-3', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic rock', 'psychedelic', 'experimental', '60s', 'space rock']
                                        'tag_date'  1968
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636920353.334499  (2021-11-14 21:05:53)
                             'size'  4966942