======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '305'
                                          'artist'  'Paul Tanner'
                                     'text_people'  ''
                                         'release'  'Music for Heavenly Bodies'
                                           'title'  'Medley-Sunrise Serenade-Moonlight Serenade'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['theremin', 'incredibly strange']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '15'
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '105.3'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music for Heavenly Bodies'
'TBPM' (BPM (beats per minute))                     '105.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Medley-Sunrise Serenade-Moonlight Serenade'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Tanner'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5/15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['theremin', 'incredibly strange']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.58 dB'
'TXXX:replaygain_track_peak'                        '0.540258'

========================== row from database ==========================
                                              'id'  746159
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - space age pop & mid century domestics (jingles & themes)/(1959) paul tanner - medley (sunrise serenade-moonli).mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  305
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  8560013
                                           'mtime'  1620539332
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va space age pop & mid century domestics (jingles & themes) (1959) paul tanner medley (sunrise serenade moonli) prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Paul Tanner
                                     'tag_release'  Music for Heavenly Bodies
                                       'tag_title'  Medley-Sunrise Serenade-Moonlight Serenade
                                             'bpm'  105.3
                                    'search_title'  'medley':1 'medleysunrise':3 'moonlight':5 'serenade':4,7 'serenademoonlight':6 'sunrise':2
                                   'search_artist'  'paul':1 'tanner':2
                                  'search_release'  'bodies':4 'for':2 'heavenly':3 'music':1
                                     'search_rest'  '1959':12,13 'age':3 'bossa':27 'century':6 'domestics':7 'exotica':26 'jazz':24 'jb':23 'jingles':8,9 'lounge':25 'medley':16 'mid':5 'moonli':20,21 'paul':14 'pop':4 'prerock':22 'serenade':19 'space':2 'sunrise':17,18 'tanner':15 'themes':10,11 'va':1
                                    'search_combo'  '1959':25,26 'age':16 'bodies':13C 'bossa':40 'century':19 'domestics':20 'exotica':39 'for':11C 'heavenly':12C 'jazz':37 'jb':36 'jingles':21,22 'lounge':38 'medley':1A,29 'medleysunrise':3A 'mid':18 'moonli':33,34 'moonlight':5A 'music':10C 'paul':8B,27 'pop':17 'prerock':35 'serenade':4A,7A,32 'serenademoonlight':6A 'space':15 'sunrise':2A,30,31 'tanner':9B,28 'themes':23,24 'va':14
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['theremin', 'incredibly strange']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620539331.6299374  (2021-05-09 07:48:51)
                             'size'  8560013