======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '111'
                                          'artist'  'The Rotaltones'
                                     'text_people'  ''
                                         'release'  "30 Manly 1950's Wild Rock & Roll Instrumentals"
                                           'title'  'Clip Clop'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'doo wop', 'rhythm and blues', 'twist', 'rock and roll']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '94.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     "30 Manly 1950's Wild Rock & Roll Instrumentals"
'TBPM' (BPM (beats per minute))                     '94.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Clip Clop'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '111733'
'TPE1' (Lead performer(s)/Soloist(s))               'The Rotaltones'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Collector Records'
'TRCK' (Track number/Position in set)               '12'
'TXXX:BAND'                                         'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['surf', 'doo wop', 'rhythm and blues', 'twist', 'rock and roll']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.446348'

========================== row from database ==========================
                                              'id'  1530135
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/The Starfires - 50_s Surf & Other Instrumental Madness/va - 30 Manly 1950's Wild Rock & Roll Instrumentals/12 - The Rotaltones - Clip Clop.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  111
                                           'genre'  rock-pop-surf
                                        'filesize'  4703880
                                           'mtime'  1620737175
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Starfires 50_s Surf Other Madness va 12 rock pop surf
                                      'tag_artist'  The Rotaltones
                                     'tag_release'  30 Manly 1950's Wild Rock & Roll Instrumentals
                                       'tag_title'  Clip Clop
                                             'bpm'  94.5
                                    'search_title'  'clip':1 'clop':2
                                   'search_artist'  'rotaltones':2 'the':1
                                  'search_release'  '1950':3 '1950s':5 '30':1 'instrumentals':9 'manly':2 'rock':7 'roll':8 's':4 'wild':6
                                     'search_rest'  '50':6 'garage':2 'madness':9 'other':8 'pop':12 'punk':1 'rock':11 's':7 'starfires':5 'stoner':4 'surf':3 'va':10
                                    'search_combo'  '1950':7C '1950s':9C '30':5C '50':19 'clip':1A 'clop':2A 'garage':15 'instrumentals':13C 'madness':22 'manly':6C 'other':21 'pop':25 'punk':14 'rock':11C,24 'roll':12C 'rotaltones':4B 's':8C,20 'starfires':18 'stoner':17 'surf':16 'the':3B 'va':23 'wild':10C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'doo wop', 'rhythm and blues', 'twist', 'rock and roll']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737174.5554523  (2021-05-11 14:46:14)
                             'size'  4703880