======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '171'
                                          'artist'  'Dean Elliott & His Swinging Big, Big, Band!!'
                                     'text_people'  ''
                                         'release'  'Zounds! What Sounds!'
                                           'title'  'Rain'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '12'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '90'
                                             'key'  '10B'
                                        'acoustid'  '0d4b17b4-a9ec-48ee-a689-e0aaaa645423'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Zounds! What Sounds!'
'TBPM' (BPM (beats per minute))                     '90'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDOR' (Original release time)                      '1962'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Rain'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Dean Elliott & His Swinging Big, Big, Band!!'
'TPE2' (Band/orchestra/accompaniment)               'Dean Elliott & His Swinging Big, Big, Band!!'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Junkyard Records'
'TRCK' (Track number/Position in set)               '2/12'
'TSO2'                                              'Elliott, Dean & His Swinging Big, Big, Band!!'
'TSOP' (Performer sort order)                       'Elliott, Dean & His Swinging Big, Big, Band!!'
'TXXX:Acoustid Id'                                  '0d4b17b4-a9ec-48ee-a689-e0aaaa645423'
'TXXX:Artists'                                      'Dean Elliott & His Swinging Big, Big, Band!!'
'TXXX:CATALOGNUMBER'                                'JY 9206-2'
'TXXX:MusicBrainz Album Artist Id'                  '8770268d-2968-4aca-abec-adbb171de706'
'TXXX:MusicBrainz Album Id'                         '08f51d71-fcec-44a7-a163-e75ce75e6d0d'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8770268d-2968-4aca-abec-adbb171de706'
'TXXX:MusicBrainz Release Group Id'                 '4bf21786-80d8-35a8-b229-7191a961994d'
'TXXX:MusicBrainz Release Track Id'                 '83d3610b-1537-3f2f-ad6f-1c5b9e8bd128'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '1962'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.98 dB'
'TXXX:replaygain_track_peak'                        '0.628255'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'73114b52-a9b6-4a74-b2c2-d7f261f1073a')

========================== row from database ==========================
                                              'id'  746528
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Dean Elliott And His Orchestra ‎– Zounds! What Sounds! [Capitol] (1962)/02 - Rain.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  171
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  6861649
                                           'mtime'  1620528428
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country And Orchestra ‎– [Capitol] (1962) 02 prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Dean Elliott & His Swinging Big, Big, Band!!
                                     'tag_release'  Zounds! What Sounds!
                                       'tag_title'  Rain
                                             'bpm'  90.0
                                    'search_title'  'rain':1
                                   'search_artist'  'band':7 'big':5,6 'dean':1 'elliott':2 'his':3 'swinging':4
                                  'search_release'  'sounds':3 'what':2 'zounds':1
                                     'search_rest'  '1962':9,10 'and':5 'bossa':15 'capitol':7,8 'country':4 'exotica':2 'jazz':1 'jb':12 'lounge':13 'oldies':3 'or':14 'orchestra':6 'prerock':11
                                    'search_combo'  '1962':20,21 'and':16 'band':8B 'big':6B,7B 'bossa':26 'capitol':18,19 'country':15 'dean':2B 'elliott':3B 'exotica':13 'his':4B 'jazz':12 'jb':23 'lounge':24 'oldies':14 'or':25 'orchestra':17 'prerock':22 'rain':1A 'sounds':11C 'swinging':5B 'what':10C 'zounds':9C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528427.9753041  (2021-05-09 04:47:07)
                             'size'  6861649